VIDEO: Darrell Issa and Elijah Cummings get in heated exchange

Elijah Cummings Calls Out Fraud IRS Hearings, Republican Darrell Issa Tries to Silence Him.

A tense exchange between House Oversight Committee Chairman Darrell Issa (R) and ranking member Elijah Cummings (D) took place during a Wednesday hearing questioning former IRS official Lois Lerner, who pleaded the Fifth, after Issa adjourned the hearing before Cummings could ask his question.