Former IRS official Lois Lerner raises her hand as she's sworn in Wednesday at the start of a House Oversight & Government Reform Committee hearing. She declined to answer questions posed by Chairman Darrell Issa, invoking her Fifth Amendment right. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Rep. Elijah Cummings, D-Md., gestures as he speaks in an Oversight Committee hearing on Capitol Hill in May 22. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

It would be a vast understatement to say that Republican Rep. Darrell Issa (right) of California and Democratic Rep. Elijah Cummings of Maryland don't see eye to eye on the IRS scandal's latest development. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP