Because in big and diverse societies like ours, progress ultimately depends on something more basic, and that is how we see each other. And we know f… - Barack Obama

It's the dreamers -- no matter how humble or poor or seemingly powerless -- that are able to change the course of human events. We saw it in South Africa, where citizens stood up to the scourge of apartheid. We saw it in Europe, where Poles marched in Solidarity to help bring down the Iron Curtain. In Argentina, where mothers of the disappeared spoke out against the Dirty War. It’s the story of my country, where citizens worked to abolish slavery, and establish women’s rights and workers’ rights, and rights for gays and lesbians.

It took a man like Madiba to free not just the prisoner, but the jailer as well to show that you must trust others so that they may trust you; to teach that reconciliation is not a matter of ignoring a cruel past, but a means of confronting it with inclusion and generosity and truth.

On paper, at least, none of this would necessarily stop us from getting a stimulus bill passed. After all, Democrats enjoyed a seventy-seven-seat majority in the House and a seventeen-seat majority in the Senate. But even in the best of circumstances, trying to get the largest emergency spending bill in history through Congress in record time would be a little like getting a python to swallow a cow. I also had to contend with a bit of institutionalized procedural mischief — the Senate filibuster — which in the end would prove to be the most chronic political headache of my presidency. The filibuster isn’t mentioned anywhere in the Constitution. Instead, it came into being by happenstance: In 1805, Vice President Aaron Burr urged the Senate to eliminate the “motion to proceed” — a standard parliamentary provision that allows a simple majority of any legislature to end debate on a piece of business and call for a vote. (Burr, who seems never to have developed the habit of thinking things through, reportedly considered the rule a waste of time.) It didn’t take long for senators to figure out that without a formal way to end debate, any one of them could bring Senate business to a halt — and thereby extract all sorts of concessions from frustrated colleagues — simply by talking endlessly and refusing to surrender the floor. In 1917, the Senate curbed the practice by adopting “cloture,” allowing a vote of two-thirds of senators present to end a filibuster. For the next fifty years the filibuster was used only sparingly — most notably by southern Democrats attempting to block anti-lynching and fair-employment bills or other legislation that threatened to shake up Jim Crow. Gradually, though, the filibuster became more routinized and easier to maintain, making it a more potent weapon, a means for the minority party to get its way. The mere threat of a filibuster was often enough to derail a piece of legislation. By the 1990s, as battle lines between Republicans and Democra