US “troubleshooter” Bill Richardson, who just returned from a trip to North Korea, is likely to be tapped to succeed Hillary Clinton to become the next U.S. Secretary of State, Yonhap News Agency said Saturday citing a report. “Numerous sources are pointing toward New Mexico Governor Bill Richardson as possibly replacing Hillary Clinton as Secretary of State in 2011,” Exminer.com said. The possibility is opening up, with some circumstantial signs backing up the view. For example, the current U.S. Secretary of State Hillary Clinton’s husband, Bill Clinton, is suffering from heart conditions and she is said to want to spend...