** FILE ** President Barack Obama speaks in the East Room of the White House in Washington, Thursday, June 28, 2012, after the Supreme Court ruled on his health care legislation. (AP Photo/Luke Sharrett/Pool)
President Barack Obama walks back to the Blue Room of the White House in Washington, Thursday, June 28, 2012, after the Supreme Court ruled on his health care legislation. (AP Photo/Pablo Martinez Monsivais/pool)
President Barack Obama speaks in the East Room of the White House in Washington, Thursday, June 28, 2012, after the Supreme Court ruled on his health care legislation. (AP Photo/Luke Sharrett/Pool)
President Obama speaks June 28, 2012, at the White House in Washington after the Supreme Court ruled on his health care legislation. (Associated Press)
** FILE ** The White House is seen in Washington, Thursday, June 28, 2012, after the Supreme Court ruled on President Barack Obama's health care legislation. (AP Photo/Pablo Martinez Monsivais)
President Obama waves as he arrives to speak at a congressional picnic on the South Lawn of the White House on Wednesday, June 27, 2012. (Associated Press)
"I'm not going to speculate about the outcome of a vote that we still hope doesn't happen," White House spokesman Jay Carney said of the pending House vote on whether to hold the attorney general in contempt of Congress.
White House press secretary Jay Carney pauses during his daily news briefing at the White House in Washington on Wednesday, June 27, 2012. (AP Photo/Carolyn Kaster)