How Do You Spend $1 Billion in a White House Race Anyway?

Aired: 5/30/2012 | 0:10:29 | Clip
Mitt Romney's win Tuesday in Texas effectively sets up a two-man contest for the White House. As President Obama and his Republican challenger look to corral votes and money, Judy Woodruff, The Washington Post's Tom Hamburger and Politico's Kenneth Vogel discuss the role of campaign finance and super PACs this election season.