Singapore Summit, Purdue Pharma

Host Meghna Chakrabarti speaks with Gary Samore and Vipin Narang ahead of President Trump's meeting with North Korean leader Kim Jong Un in Singapore. New York Times reporter Barry Meier joins Radio Boston to discuss Purdue Pharma's knowledge of OxyContin's addiction potential. Plus, Boston Globe reporter Liz Goodwin discusses her story about migrant families being separated at the U.S. border.