Eli Lilly is the world's most valuable drug company, known for its blockbuster anti-obesity drugs that's transforming America. On "The David Rubenstein Show: Peer to Peer Conversations," CEO Dave Ricks talks about how the company will begin studies this year to see if its weight-loss medicines can also be used to treat addictive behaviors. He also discusses how the company is tackling the issue of counterfeit drugs. This interview was recorded December 10 at the Economic Club of Washington DC.