Black Lives Matter leader DeRay Mckesson on protests and his arrest

There were over 200 arrests made in Baton Rouge, La. and St. Paul, Minn. Saturday during demonstrations over recent fatal police shootings. One of those arrested was activist DeRay Mckesson, a prominent voice in the Black Lives Matter movement. Mckesson spoke with Yahoo Global News Anchor Katie Couric about the ongoing protests, the movement and his arrest.