A new 60 Minutes/Vanity Fair poll offers what is, I think, a somewhat misleading way to look at Sarah Palin. The poll finds that 59% of Americans and 40% of Republicans don't think she'd make an "effective president" -- numbers that come very close to disqualifying her even in the primary, if she chooses to run. This trouble imagining President Palin is constant across the polling since soon after she was chosen as John McCain's running mate, and it reflects both her own lack of experience and the higher bar set for a woman -- Hillary Clinton did years of...