What happens to the flood of undocumented children crossing the border? 

David Brat says voters' concerns about immigration helped him beat Eric Cantor in their primary race. That victory comes as illegal border crossings are surging. More than 1,000 undocumented people are entering the U.S. through Texas everyday. About 400 of them are children traveling without a parent. Gary Tuchman reports from Arizona on why these children are making the journey and what happens when they get here.