"A lifetime is more than sufficiently long for people to get what there is of it wrong." - Piet Hein

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Lexington: Still crazy after all these years | The Economist

"Hofstadter, writing at the time of Barry Goldwater’s insurgency, argued that political paranoia—a mix of anger, heated exaggeration, suspiciousness and conspiratorial fantasy—was most evident on the extreme right. And there are plenty of examples of right-wingers peddling nutty tales. Isolationists in the 1940s accused Franklin Roosevelt of deliberately letting the Japanese bomb Pearl Harbour to provide an excuse for war. Talk-radio crackpots in the 1990s accused the Clintons of having Vince Foster, a depressive friend of theirs who killed himself, murdered.

But the left is hardly immune to such fantasies. Some people, including Mr Obama’s own former pastor, Jeremiah Wright, believe that AIDS was cooked up by the government to kill blacks. A staggering 18% of Americans think that the government of George Bush probably knew in advance about the attacks of September 11th 2001 but allowed them to proceed anyway. Some even contend that Mr Bush orchestrated the attacks himself, to create an excuse for invading Iraq. To believe this, you have to believe that the Bushies were both wicked enough to murder thousands of Americans and brilliant enough to execute such a mind-bogglingly sophisticated plot without a single leak—in a culture where Richard Nixon could not even hush up a burglary.

Belief in conspiracy theories can be comforting. If everything that goes wrong is the fault of a secret cabal, that relieves you of the tedious necessity of trying to understand how a complex world really works. And you can feel smug that you are smart enough to “see through” the official version of events. But widespread paranoia has drawbacks. For a start, it makes calm, rational debate rather tricky. How can you discuss the trade-offs of health-care reform, for example, with someone who thinks the government is plotting to kill grandma? It does not help, either, that politicians on both sides are willing to fan the flames. Sarah Palin calls Mr Obama’s health-care proposals “evil”. Harry Reid, the Senate majority leader, calls the protesters who loudly oppose them “evil-mongers”. Nancy Pelosi, the speaker of the House of Representatives, calls them “un-American”."