Lew: "No evidence" political appointee was involved in IRS Tea Party targeting

Preview: In his first broadcast interview, Treasury Secretary Jack Lew said that while there was bad judgment within the IRS surrounding the scrutiny of Tea Party applications for tax-exempt status, "there has been no evidence of anyone in a political position having been involved in any of those decisions." For more of Scott Pelley's interview with Lew, watch the "CBS Evening News" tonight at 6:30 p.m. ET.