A new "elite interrogation unit", that President Barack Obama has appointed to quiz terrorism detainees, will apparently be run by CBS News anchor Katie Couric, rather than the Central Intelligence Agency. If the report from anonymous sources proves accurate, the former NBC "Today" hostess, would head up the High-Value Detainee Interrogation Group, or HIG, under the president's National Security Council. Detainee-questioning sessions would be filmed before a live studio audience in Burbank, California. "The president wants to ensure that these folks receive all the protections the U.S. Constitution affords other citizens," said White House press secretary Robert Gibbs. "We can't...