Bernie Sanders: I'm still competing in D.C. primary
After his highly anticipated meeting with President Obama, Bernie Sanders said that he still plans to compete against Hillary Clinton in the D.C. primary. He also said that he'll do whatever it takes to prevent Donald Trump from becoming president. CBS News senior political editor Steve Chaggaris, CBS News Congressional correspondent Nancy Cordes, and Politico reporter Eli Stokols join CBSN to discuss.