Representative Anthony Weiner explained to the AP why he's spending so much time campaigning for Hillary Clinton, even as the junior Senator from NY trails rival Barack Obama. Weiner said, "I'm doing a lot, but it's largely because I'm dating Huma." Finally--the Post suspected as much last October. Huma is Huma Abedin, Clinton's so-called "body woman," who is usually seen at the candidate's side. The Daily News' headline is "Yes, I'm hot for Hillary Clinton's......