
President Barack Obama is greeted by Texas Gov. Rick Perry upon his arrival at Austin Bergstrom International Airport in Austin, Texas, Monday, Aug. 9, 2010. (AP Photo/Carolyn Kaster)

The House Oversight and Government Reform Committee, led by Chairman Darrell Issa, R-Calif., holds a hearing about last year's deadly assault on the U.S. diplomatic mission in Benghazi, Libya, on Capitol Hill in Washington, Wednesday, May 8, 2013. Left to right are witnesses Mark Thompson, the State Department's acting deputy assistant secretary for counterterrorism, Gregory Hicks, former deputy chief of mission in Libya, and Eric Nordstrom, the State Department's former regional security officer in Libya. House Republicans insist the Obama administration is covering up information about the attack, rejecting administration assurances to the contrary and stoking a controversy with implications for the 2016 presidential race. (AP Photo/J. Scott Applewhite)

The House Oversight and Government Reform Committee, led by Chairman Darrell Issa, R-Calif., holds a hearing about last year's deadly assault on the U.S. diplomatic mission in Benghazi, Libya, on Capitol Hill in Washington, Wednesday, May 8, 2013. Left to right are witnesses Mark Thompson, the State Department's acting deputy assistant secretary for counterterrorism, Gregory Hicks, former deputy chief of mission in Libya, and Eric Nordstrom, the State Department's former regional security officer in Libya. House Republicans insist the Obama administration is covering up information about the attack, rejecting administration assurances to the contrary and stoking a controversy with implications for the 2016 presidential race. (AP Photo/J. Scott Applewhite)

The House Oversight and Government Reform Committee, led by Chairman Darrell Issa, R-Calif., holds a hearing about last year's deadly assault on the U.S. diplomatic mission in Benghazi, Libya, on Capitol Hill in Washington, Wednesday, May 8, 2013. Left to right are witnesses Mark Thompson, the State Department's acting deputy assistant secretary for counterterrorism, Gregory Hicks, former deputy chief of mission in Libya, and Eric Nordstrom, the State Department's former regional security officer in Libya. House Republicans insist the Obama administration is covering up information about the attack, rejecting administration assurances to the contrary and stoking a controversy with implications for the 2016 presidential race. (AP Photo/J. Scott Applewhite)

** FILE ** President Barack Obama listens as former President George W. Bush speaks during the dedication of the George W. Bush Presidential Center, Thursday, April 25, 2013, in Dallas. (AP Photo/Tony Gutierrez, Pool)

A White House official says President Barack Obama will name a longtime fundraiser to run the Commerce Department and a top economic adviser as the next U.S. Trade Representative. The Commerce nominee is expected to be Penny Pritzker, left, shown in a Oct. 4, 2010, file photo and The U.S. Trade Representative is expected to be Mike Froman seen in an Oct. 8, 2010, file photo. Obama will announce both nominations from the White House Thursday morning May 2, 2013, before departing for Mexico. (AP Photo/File)

A White House official says President Barack Obama will name a longtime fundraiser to run the Commerce Department and a top economic adviser as the next U.S. Trade Representative. The Commerce nominee is expected to be Penny Pritzker, left, shown in a Oct. 4, 2010, file photo and The U.S. Trade Representative is expected to be Mike Froman seen in an Oct. 8, 2010, file photo. Obama will announce both nominations from the White House Thursday morning May 2, 2013, before departing for Mexico. (AP Photo/File)

President Obama shakes hands with Rep. Mel Watt, North Carolina Democrat and Obama's nominee for the Federal Housing Finance Authority director, on May 1, 2013, in the State Dinning Room of the White House in Washington, where he made the announcement of the nomination. (Associated Press)

President Obama shakes hands with Rep. Mel Watt, North Carolina Democrat and Obama's nominee for the Federal Housing Finance Authority director, on May 1, 2013, in the State Dinning Room of the White House in Washington, where he made the announcement of the nomination. (Associated Press)