Mitt Romney says success in business will lead to success in the White House, but he refuses to release more than two years of income tax returns or to be clear about just when he left the firm that made him a fortune. We hear why fellow Republicans are urging transparency — for the sake of his presidential campaign. Also, Federal Reserve Chair Ben Bernanke warns of an approaching "fiscal cliff," and with the British Army forced to step in, the head of security for the London Olympics gets a public grilling from Parliament.
Banner image: Mitt Romney on the campaign trail