Kevin Drum Talks Lead and Crime on Melissa Harris-Perry

Tiny amounts of lead could be causing some of our biggest problems.

Tue Jan. 8, 2013 7:01 AM EST

Six micrograms of lead exposurea quantity so small it's invisiblemay be enough to permanently alter a child's development and increase crime in a community. Watch Mother Jones political blogger Kevin Drum discuss his new cover story on lead on MSNBC's Melissa Harris-Perry.

Pioneering lead toxicologist Howard Mielke, who we interviewed recently, was also a guest on the show:

Kevin also joined a panel with Atlanta mayor Kasim Reed to discuss why Democrats didn't win a majority of seats in the House of Representitives, how the Dems can run better campaigns in the future, and Clinton's 1996 Welfare Reform Act: