How Mitt Romney Came to Be the GOP Nominee

Aired: 5/29/2012 | 0:08:39 | Clip
Mitt Romney was 58 delegates away from clinching the Republican nomination at the start of Tuesday, as Texas Republicans headed to vote in a primary likely to wrap up the GOP presidential race. Margaret Warner and The Boston Globe's Michael Kranish discuss Romney's path -- from a failed 1994 Senate run to his current campaign.