This Friday, the highly anticipated "The Hunger Games: Mockingjay Part I" premieres. Expectations are high, but Mahershala Ali, who plays Col. Boggs in the hit franchise, says fans will not be disappointed. Plus, he dishes some behind-the-scenes stories, including the fact he had to hit the gym harder in order to carry 25 pounds worth of gear while filming his scenes!
Can marijuana be used to treat concussions? The National Institute of Health is testing that idea by enlisting a group that researches pot’s therapeutic possibilities. Yasmin Vossoughian talks to the co-founder of that group, Kannalife Sciences, to see what they've found.