
White House press secretary Jay Carney speaks during his daily news briefing at the White House in Washington on Tuesday, May 21, 2013. (AP Photo/Pablo Martinez Monsivais)

White House press secretary Jay Carney speaks during his daily news briefing at the White House in Washington on Tuesday, May 21, 2013. (AP Photo/Pablo Martinez Monsivais)

White House press secretary Jay Carney speaks during his daily news briefing at the White House in Washington on Tuesday, May 21, 2013. (AP Photo/Pablo Martinez Monsivais)

White House Press Secretary Jay Carney speaks during his daily news briefing at the White House in Washington on May, 20, 2013. (Associated Press)

White House Press Secretary Jay Carney speaks during his daily news briefing at the White House in Washington on May, 20, 2013. (Associated Press)

White House spokesman Jay Carney speaks during his daily news briefing at the White House in Washington on May 15, 2013. (Associated Press)

White House spokesman Jay Carney speaks during his daily news briefing at the White House in Washington on May 15, 2013. (Associated Press)

White House spokesman Jay Carney listens to a question during his daily news briefing at the White House in Washington on May 15, 2013. (Associated Press)

White House spokesman Jay Carney listens to a question during his daily news briefing at the White House in Washington on May 15, 2013. (Associated Press)