NBC’s Michael Isikoff reports on the latest information about what the FBI knew about Tamerlan Tsarnaev’s journey into and out of Russia – and NYPD Police Chief Ray Kelly’s claim that the brothers were headed to New York City after the Boston Marathon bombing to party; then Rep. Charlie Rangel, D-N.Y. explains what he hopes to learn from the FBI, as well as NYPD Police Chief Ray Kelly's claim that the brothers were headed to New York City after the Boston Marathon bombing to party.April 24, 2013
