Rep. Darrell Issa, a California Republican and chairman of the House Oversight and Government Reform Committee, planned to hold at least four field hearings on the Affordable Care Act, which he blames for increased health insurance prices. Mark Wilson/Getty Images hide caption

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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

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Lois Lerner, head of the IRS unit that decides whether to grant tax-exempt status to groups, leaves after being dismissed from a House Oversight and Government Reform Committee hearing on Wednesday. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Veteran USPS letter carrier Michael McDonald gathers mail to load into his truck before making his delivery run in the East Atlanta neighborhood on Thursday, Feb. 7, 2013, in Atlanta. David Goldman/AP hide caption

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