U.S. Sen. John Thune, R-S.D., speaks at a press conference Wednesday on Republican plans to delay enactment of the Affordable Care Act. Looking on are Sens. Roy Blunt, R-Mo., John Barrasso, R-Wyo., and John Cornyn, R-Texas.
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President Obama is expected to nominate Gina McCarthy, currently assistant administrator with the Environmental Protection Agency, to head the agency on Monday. The nomination requires a Senate confirmation.
New White House Chief of Staff Denis McDonough (left), at Friday's announcement. Behind the president: outgoing Chief of Staff Jacob "Jack" Lew, who has been nominated to be Treasury secretary.
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Health and Human Services Secretary Kathleen Sebelius speaks as Attorney General Eric Holder listens during a news conference last October. The two plan to remain in their current jobs as President Obama's second term begins.
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