Political Checklist: GOP Field Clearer with Pawlenty In,...

Aired: 5/23/2011 | 0:06:36 | Clip
In this week's edition of the Political Checklist, Senior Correspondent Gwen Ifill and Political Editor David Chalian explore what we know about the GOP field and who is taking which track as the candidates compete for the nomination and the chance to challenge President Obama in 2012.