The Tsarnaev brothers and how their actions are shaping immigration debate

Top Talkers: The Morning Joe panel -- including the Council on Foreign Relations' Richard Haass and Mike Barnicle -- discusses the lives of Boston Marathon bombing suspects, brothers Tamerlan and Dzhokhar Tsarnaev, the role the Internet can play in radicalizing people in any location, scrutiny on the FBI, the decision to lock down Boston and how the bombing is shaping the debate on immigration in Washington.April 22, 2013