http://news.bbc.co.uk/2/hi/programmes/from_our_own_correspondent/3562470.stmThe US presidential candidates have been arguing about it. The American media talk constantly about it. And the opinion polls have been asking voters about it.
But just how much will the war in Iraq affect the November elections? Hugh Sykes found evidence that, with mounting US casualties, the answer could be "quite a lot".
Bill Clinton reputedly had a note by his desk during his first presidential election campaign that simply said: "It's the economy, stupid!"
President Bush should have one that reads: "It's Iraq, stupid!"
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