In the 1950s, John Kenneth Galbraith first described the way in which advertising altered the classical relationship by which supply and demand are balanced over time by the invisible hand of the marketplace. Modern advertising campaigns, he pointed out, were beginning to create high levels of demand for products that consumers never knew they wanted, much less needed. The same phenomenon Galbraith noticed in the commercial marketplace is now the dominant fact of life in what used to be America’s marketplace for ideas. The inherent value or validity of political propositions put forward by candidates for office is now largely irrelevant compared with the image-based advertising campaigns they use to shape the perceptions of voters. And the high cost of these commercials has radically increased the role of money in American politics — and the influence of those who contribute it.

The progressive abandonment of concern for reason or evidence has required the administration to develop a highly effective propaganda machine with which it attempts to embed in the public mind mythologies that grow out of one central doctrine upon which all the special interests agree: Government is very bad and should be done away with as much as possible — except the parts of it that redirect money through big contracts to industries that have won their way into the inner circle. This coalition gains access to the public through a cabal of pundits, commentators, and “reporters” — call it the Limbaugh-Hannity-Drudge axis. This fifth column in the fourth estate is made up of propagandists pretending to be journalists. Through multiple overlapping outlets covering radio, television, and the Internet, they relentlessly force-feed the American people right-wing talking points and ultraconservative dogma disguised as news and infotainment — 24 hours a day, 7 days a week, 365 days a year.

Abraham Lincoln, said in 1838, when he and the United States were both very young, “Reason — cold, calculating, unimpassioned reason — must furnish all materials for our future support and defence. Let those materials be moulded into general intelligence, sound morality, and in particular, a reverence for the Constitution and laws.

Nevertheless, the obvious and overwhelming evidence of the damage we are causing is now increasingly impossible for reasonable people to ignore. It is widely known by now that there is a nearly unanimous view among all scientists authoring peer-reviewed articles related to the climate crisis that it threatens our future, that human activities are largely if not entirely responsible, and that action is needed urgently to prevent the catastrophic harm it is already starting to bring. More importantly, Mother Nature is reminding us almost daily that the impacts of the climate crisis are growing steadily more severe, with more frequent and powerful climate-related extreme weather events. Every night, the TV news is like a nature hike through the Book of Revelation. But before diving further into examples of the unprecedented harm we are causing, please remember how important it is to guard against feelings of despair. Despair, after all, is simply another form of denial, and can serve to paralyze the will we need to fight our way out of this crisis. And bear in mind that the hopeful news about the availability of solutions is a powerful antidote to the feelings that can be aroused by the disconcerting news about the self-harm we are presently inflicting upon humanity.

Whether it is called a public forum or a public sphere or a marketplace of ideas, the reality of open and free public discussion and debate was considered central to the operation of our democracy in America’s earliest decades. Our first self-expression as a nation — “We the People” — made it clear where the ultimate source of authority lay. It was universally understood that the ultimate check and balance for American government was its accountability to the people. And the public forum was the place where the people held the government accountable. That is why it was so important that the marketplace of ideas operated independent from and beyond the authority of government. The three most important characteristics of this marketplace of ideas were the following: It was open to every individual, with no barriers to entry save the necessity of literacy. This access, it is crucial to add, applied not only to the receipt of information but also to the ability to contribute information directly into the flow of ideas that was available to all. The fate of ideas contributed by individuals depended, for the most part, on an emergent meritocracy of ideas. Those judged by the market to be good rose to the top, regardless of the wealth or class of the individual responsible for them. The accepted rules of discourse presumed that the participants were all governed by an unspoken duty to search for general agreement. That is what a “conversation of democracy” is all about.

It may well be that the disuse of democracy’s calisthenics — the sharp decline in reading and writing — and the bombardment of every new fear with television commercials and simplistic nostrums disguised as solutions for the indicated fear has given American democracy an immune system disorder that prevents the citizenry from responding precisely, appropriately, and effectively to serious threats to the health of our democracy. So all of a sudden we overreact to illusory threats and underreact to real threats.

We must ensure that the Internet remains open and accessible to all citizens without any limitation on the ability of individuals to choose the content they wish regardless of the Internet service provider they use to connect to the World Wide Web. We cannot take this future for granted. We must be prepared to fight for it, because of the threat of corporate consolidation and control over the Internet marketplace of ideas. Far too much is at stake to ever allow that to happen. We must ensure by all means possible that this medium of democracy’s future develops in the mold of the open and free marketplace of ideas that our Founders knew was essential to the health and survival of freedom.

Having spent the better part of my life for the past several decades trying to learn from experts on the climate crisis and working with technology and policy innovators to develop solutions for the unprecedented challenge humanity faces, I have never been more hopeful. At this point in the fight to solve the climate crisis, there are only three questions remaining: Must we change? Can we change? Will we change? In the pages that follow, you will find the best available evidence supporting the overwhelming conclusion that the answer to the first two of these three questions is a resounding “Yes.” I am convinced that the answer to the third question — “Will we change?” — is also “Yes,” but that conclusion, unlike the answer to the first two questions, is in the nature of a prediction. And in order for that prediction to come true, there must be a continued strengthening of the global consensus embodied in the Paris Agreement of December 2015, in which virtually every nation on Earth agreed to take concerted action to reduce net greenhouse gas emissions to zero as early in the second half of this century as possible.

one Russian analyst said, “The old people come and the old people come and the old people come and all vote for one candidate — for Putin. Why are they voting for Putin? Watch TV. There is one face: Putin.” And indeed, one of the many reasons for television’s dominance in the political media landscape of almost every country is that older people both simultaneously vote in higher percentages and watch television more hours per day than any other age group. In the U.S., people aged sixty-five and older watch, on average, almost seven hours per day.

Nazism, fascism, and communism were belief systems adopted passionately by millions of well-educated men and women. Taken together, all of the totalitarian ideologies were self-contained and delivered through a one-way flow of propaganda that prevented the people who were enmeshed in the ideology from actively participating in challenging its lack of human values. Unfortunately, the legacy of the twentieth century’s ideologically driven bloodbaths has included a new cynicism about reason itself — because reason was so easily used by propagandists to disguise their impulse to power by cloaking it in clever and seductive intellectual formulations. In an age of propaganda, education itself can become suspect. When ideology is so often woven into the “facts” that are delivered in fully formed and self-contained packages, people naturally begin to develop some cynicism about what they are being told. When people are subjected to ubiquitous and unrelenting mass advertising, reason and logic often begin to seem like they are no more than handmaidens for the sophisticated sales force. And now that these same techniques dominate the political messages sent by candidates to voters, the integrity of our democracy has been placed under the same cloud of suspicion. Many advocacy organizations — progressive as well as conservative — often give the impression that they already have exclusive possession of the truth and merely have to “educate” others about what they already know. Resentment toward this attitude is also one of the many reasons for a resurgence of the traditional anti-intellectual strain in America. When people don’t have an opportunity to interact on equal terms and test the validity of what they’re being “taught” in the light of their own experience, and share with one another in a robust and dynamic dialogue that enriches what the “experts” are telling them with the wisdom of the groups as a whole, they naturally begin to resist the assumption that the experts kn

I believe that the vividness experienced in the reading of words is automatically modulated by the constant activation of the reasoning centers of the brain that are used in the process of cocreating the representation of reality the author has intended. By contrast, the visceral vividness portrayed on television has the capacity to trigger instinctual responses similar to those triggered by reality itself — and without being modulated by logic, reason, and reflective thought.

The alienation of Americans from the democratic process has also eroded knowledge of the most basic facts about our constitutional architecture of checks and balances. When the Annenberg Public Policy Center at the University of Pennsylvania conducted a broad survey on our Constitution, released in September 2006, they found that more than a third of the respondents believed the executive branch has the final say on all issues and can overrule the legislative and judicial branches. Barely half — 53 percent — believed that the president was required to follow a Supreme Court decision with which he disagreed. Similarly, only 55 percent of those questioned believed that the Supreme Court had the power to declare an act of Congress unconstitutional. Another study found that the majority of respondents did not know that Congress — rather than the president — has the power to declare war. The Intercollegiate Studies Institute conducted a study in 2005 of what our nation’s college students knew about the Constitution, American government, and American history that provoked the American Political Science Association Task Force on Civic Education to pronounce that it is “axiomatic that current levels of political knowledge, political engagement, and political enthusiasm are so low as to threaten the vitality and stability of democratic politics in the United States.” The study found that less than half of college students “recognized that the line ‘We hold these truths to be self-evident, that all men are created equal’ is from the Declaration of Independence.” They also found that “an overwhelming majority, 72.8 percent, could not correctly identify the source of the idea of ‘a wall of separation’ between church and state.” When the John S. and James L. Knight Foundation conducted a survey of high school students to determine their feelings toward the First Amendment, they found that “after the text of the First Amendment was read to students, more than a third of them (35

Should we amend all of the textbooks in America to explain to schoolchildren that what has been taught for more than two centuries about checks and balances is no longer valid? Should we teach them instead that the United States Congress and the courts are merely advisory groups that make suggestions to the president on what the law should be, but that the president is all-powerful and now has the final say on everything? Should we teach them that we are a government of men, not laws? Should we teach them that we used to be a democracy but now we only pretend to be?

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Faith in the power of reason — the belief that free citizens can govern themselves wisely and fairly by resorting to logical debate on the basis of the best evidence available, instead of raw power — was and remains the central premise of American democracy. This premise is now under assault.