World News Podcast - December 12th, 2013
One of six astronauts aboard the International Space Station may face the daunting task of a spacewalk as a malfunction on the craft persists. Federal regulators crack down on 52 bus companies, shutting them down for safety reasons. The South African sign language interpreter at Nelson Mandela's memorial speaks out, talking of mental health issues. And ABC's Dr. Richard Besser on the choice Americans make between bottled and tap water. This and more on the World News Podcast.