Politico reports: President Obama on Monday once again brought up Mitt Romney's role in expanding health care in Massachusetts, in what has become a recurring political nightmare for the former governor who is seen as a likely Republican candidate for president. Speaking to governors of both parties, Obama said Romney actually had a decent idea about addressing the country's health care system. "I know that many of you have asked for flexibility for your states under this law," Obama said at the White House. "In fact, I agree with Mitt Romney, who recently said he's proud of what he accomplished...