Obama, Non-Entity?

Ambinder thinks Obama won't have a big effect on the midterms:

Obama's neteffect on congressional races might just turn about to be a big "meh."As skeptical as white people are about Obama's policy agenda, enoughstill want him to succeed. So what's the best thing for Obama to dobetween now and November? Instincts will persuade the White House tosend the president to campaign for...