Moammar Gadhafi's favorite son is still on the run. Political theorist Benjamin Barber joins Erin Burnett to talk about the hunt for Saif Gadhafi, and what it will take to bring the Libyan dictator's son to justice.

While the title Tea Party invokes a massive, grassroots effort with great political power, some suggest the movement is splintered–and that split could threaten its ability to elect a Republican in 2012. CNN's Erin Burnett talks to members of the Tea Party, and the chairman of the Republican National Committee.