Tornado Rips Through Oklahoma City Area

7:00 PM ET Mon, 20 May 2013
Emergency crews are working to rescue trapped people in Moore, Oklahoma, reports CNBC's Bertha Coombs. Meanwhile CNBC's John Harwood reports on the timeline of the IRS investigation. And Ed Rendell, former Pennsylvania governor (D), and Joseph diGenova, former U.S. attorney, discuss whether it's time for special counsel.