The media and politicians in this country and all over the Western world would have you believe that the cause of this suffering and this carnage is the rockets of Hamas that are fired into Israel. That is to turn reality on its head.
The Palestinian people have the right, as any occupied people under law and under all political and legal conventions - the right to resist. Israel, as an illegal occupying power, has one obligation, and that is to withdraw. Even now, despite the horrific casualties, Hamas is not broken and will not be broken, because of the spirit of resistance of the Palestinian people.

Communism, which came to control a third of the planet in a generation, was the most important political movement of the past century. It carried out what other socialists had only talked about, abolishing capitalism and creating publicly owned, planned economies. Its crimes and failures are now so well rehearsed that they are in danger of obliterating any understanding of its achievements - both of which have lessons for the future of progressive politics and the search for a social alternative to globalised capitalism.

No major 20th-century political tradition is without blood on its hands, but battles over history are more about the future than the past. Part of the current enthusiasm in official western circles for dancing on the grave of communism is no doubt about relations with today's Russia and China. But it also reflects a determination to prove there is no alternative to the new global capitalist order - and that any attempt to find one is bound to lead to suffering and bloodshed.

It has become almost received wisdom to bracket Stalin and Hitler as twin monsters of the past century - Mao and Pol Pot are sometimes thrown in as an afterthought - and commonplace to equate communism and fascism as the two greatest evils of an unprecedentedly sanguinary era. In some versions, communism is even held to be the more vile and bloodier wickedness. The impact of this cold war victors' version of the past has been to relativise the unique crimes of Nazism, bury those of colonialism and feed the idea that any attempt at radical social change will always lead to suffering, killing and failure.

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It is this record of unabashed national egotism and arrogance that drives anti-Americanism among swaths of the world's population, for whom there is little democracy in the current distribution of global wealth and power. If it turns out that Tuesday's attacks were the work of Osama bin Laden's supporters, the sense that the Americans are once again reaping a dragons' teeth harvest they themselves sowed will be overwhelming.

But any glimmer of recognition of why people might have been driven to carry out such atrocities, sacrificing their own lives in the process - or why the United States is hated with such bitterness, not only in Arab and Muslim countries, but across the developing world - seems almost entirely absent.