Peniel Joseph: How the South's racial tensions could signal America's third Reconstruction

The expulsion of two lawmakers in Tennessee last week is just the latest example of what critics have lambasted as the political overstepping of white lawmakers on the rights of the Black community. Peniel Joseph, author of "The Third Reconstruction: America's Struggle for Racial Justice in the Twenty-First Century," joins Chuck to argue why, after the ratification of the 13th amendment in 1865 and the Brown v. Board of Education ruling in 1954, the U.S. may be dealing with its third major reckoning on race relations.