Sen. Clinton has inroduced legislation, S 1757, that allows some Puerto Rican residents who pay no federal income tax, to get child-credit refunds on their Social Security and Medicare taxes. Her bill has no cosponsors - not even her New York colleague Chuck Schumer. If enacted into law, Hillary's tax refund plan could end up paying out more than $50 million over the next five years. She is framing her bill as a way to offer Puertan Rican residents the same child tax credits available to other Americans. "Due to a quirk in the law, Puerto Rican households with more...