reveal media bias!

Karl Rove, based on his own excellent instincts, and after speaking with scholars on the subject, has this take on the impact of Sarah Palin over the next two months: Taking on Alaska's good-old-boy politics and beating the incumbent Republican governor might be seen as evidence of the political courage and independence voters are looking for this year. And with women more undecided than men, Mrs. Palin could add more than a point to Mr. McCain's total -- maybe two or three -- which could make the difference in a close contest. Note the numbers. Historically, even outstanding vice-presidential choices have had only limited impact. Could this year, though, be different? The threat Mrs. Palin poses is why Mr. Obama's campaign has moved rapidly to disparage her record, and w