Sarah Palin and her One Nation bus tour are making a surprise trip to Iowa, if you haven’t heard. In an email sent yesterday to supporters of her political action committee she said she’s going to “meet folks at the Iowa State Fair in Des Moines this week.”(snip) Sarah Palin has proved that she is the quasi-political attention-getting master of the US media universe. That’s because there just happens to be a debate in Ames, Iowa tonight among declared GOP presidential contenders. A straw poll follows this weekend. So hundreds of political reporters are already in Iowa – pre-positioned for...