4.4.19 #RolandMartinUnfiltered: National Civil Rights Museum's commemoration of the 51st anniversary of MLK's death; Rev Barber discusses Rep. Jim Clyburn and Sen. Cory Booker's plan to fight poverty; GOP tries to criminalize voter registration drives in Tennessee; Florida GOP House committee passes more restrictions on Amendment 4; Historic Social Justice and Civil Rights training center burned to the ground and a white power symbol found on site; Joe Biden addresses charges he makes women feel uncomfortable; Interviews with civil rights icons on where they were and what they felt on April 4th, 1968