**FILE** Heather Zichal, deputy assistant to the President for Energy and Climate Change speaks during the daily news briefing at the White House on March 12, 2012. (Associated Press)
White House press secretary Jay Carney gestures during his daily news briefing at the White House in Washington, Friday, Oct. 4, 2013, where he took questions regarding the government shutdown. (AP Photo/Pablo Martinez Monsivais)