Inside the Political Debate Brewing Over Gun Control

After the massacre in Newtown, President Obama pledged to take on the issue of gun violence and assigned Vice President Biden to lead the effort. Biden's task force is moving ahead rapidly. The V.P. met Wednesday with victims' groups and Thursday sits down with the National Rifle Association and with Walmart, the country's largest gun seller.

Val talks about the upcoming battle over gun control with Philip Rucker, White House correspondent for The Washington Post.