One month after the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla., thousands of students are participating in a school walkout. Marjory Stoneman Senior David Hogg joins Morning Joe to discuss.March 14, 2018
UP NEXT
Columbia protesters occupy campus building
24:28
Evangelical pastor in North Carolina calls 'Trump Bible' blasphemous
10:57
Bill aiming to crack down on campus antisemitism advances
13:51
Trump fined for each gag order violation
06:01
Paul McCartney's photos of the Beatles' first trip to the U.S. featured in new exhibit