A “foreign government” asked the FBI to look into one of the Boston Marathon bombing suspect’s “possibly extremist ties” in 2011, CBS News reported on Friday. The FBI complied and spoke with Tamerlan Tsarnaev, 26, to investigate any possible ties to extremism. The FBI determined Tsarnaev represented no threat, according to CBS News. Tamerlan, believed to be 26 when he was killed overnight in a shootout, dropped out after studying accounting at Bunker Hill Community College for just three semesters. He was an amateur boxer who had hoped to fight on the U.S. Olympic team, a man who said he...