AP - President Barack Obama says one of the toughest parts about being president is that his wife has been dragged into the "political realm."

AP - Mitt Romney's remark that he's not worried about the very poor, the latest gaffe in a campaign rich with blunders, joins a long list of wait-let-me-explain episodes in presidential election history.

AP - President Barack Obama said the U.S. has a "very good estimate" of when Iran could complete work on a nuclear weapon, but cautioned that there are still many unanswered questions about Tehran's inner workings.

AP - Nevada Republicans have finally finished counting the votes in their Saturday presidential caucuses.

AP - Now it's on to Colorado, Minnesota and Maine.