MSNBC Live with Tamron Hall 05/21/12

Anti-Obama ad to air in 10 swing states Wednesday

Political strategist Larry McCarthy, who is known for the infamous “Willie Horton” ad that went after Democratic candidate Michael Dukakis, will release a new ad that is at the heart of a $25 million campaign by Crossroads GPS, a pro-Republican group ... more Duration: {{video.duration.momentjs}}