World News Podcast - December 24th, 2013
A deep freeze across much of the nation as icy conditions leave many in the dark this Christmas Eve. The second spacewalk is deemed a success as astronauts replaced a cooling system pump aboard the International Space Station. Agents learn more about the Target security breach that affected millions of customers. Pope Francis leads his first Christmas Eve mass. And ABC's David Muir on a revelation regarding an age-old question: Is Santa Claus real? This and more on the World News Podcast.