Voter suppression continues 55 years after ‘Bloody Sunday’

Fifty-five years ago today, hundreds of civil rights marchers were attacked by state troopers in Selma, Alabama. The violent assault came to be known as "Bloody Sunday," and set in motion the passage of the Voting Rights Act of 1965. Peniel Joseph, of the University of Texas at Austin, joins Hari Sreenivasan to discuss lessons from Bloody Sunday and how some voting rights have been whittled away.