I'm not surprised if it's hard to find people who admit to voting for Bush. The same happened in the case of Margaret Thatcher and Tony Blair, over here.

There's always a tendency for people to retrospectively adjust their voting record in their memory, in line with how a politician turns oyut in office. It's been repeatedly shown in polls asking how people voted - most time the proportion who say they voted for the winner is way down on the actual record.

Occasionaly it goes the other way and people say - and probably actually belueve they voted for someone who seems to be doing well. But the general rule is the other way round.