BARBARA AND JENNA BUSH
Best shot at NASCAR-dad vote: Just graduating from college, the President's feisty twins plan to appear in Vogue (they're hot!), volunteer with kids (they're do-gooders!) and campaign (they love Dad!).
Best boost to young male turnout: The twins' attempts to score booze while under age conjure up the reckless fun of Dubya in his frat-house days.
ALEX AND VANESSA KERRY
Best shot at soccer-mom vote: Already stumping for their Dem-contender pop (they're loyal!), Alex directs films (she's creative!) and Vanessa attends Harvard Medical School (a smarty!).
Best boost to young male turnout: Alex's red-carpet turn...