
President Barack Obama walks with his interim White House Chief of Staff Pete Rouse, after outgoing Chief of Staff Rahm Emanuel announced that he will be stepping down to run for Mayor of Chicago, during an event in the East Room of the White House in Washington, Friday, Oct. 1, 2010. (AP Photo/Susan Walsh)

President Barack Obama listens as his outgoing Chief of Staff Rahm Emanuel announces that he will be stepping down to run for Mayor of Chicago, during an event in the East Room of the White House in Washington, Friday, Oct. 1, 2010. Obama announced that Pete Rouse will be interim Chief of Staff. (AP Photo/Susan Walsh)

President Obama listens as his outgoing Chief of Staff Rahm Emanuel announces that he will be stepping down to run for Mayor of Chicago, during an event in the East Room of the White House in Washington, Friday, Oct. 1, 2010. Mr. Obama announced that Pete Rouse will be interim Chief of Staff. (AP Photo/Susan Walsh)

President Obama walks with his interim White House Chief of Staff Pete Rouse, after outgoing Chief of Staff Rahm Emanuel announced that he will be stepping down to run for Mayor of Chicago, during an event in the East Room of the White House in Washington, Friday, Oct. 1, 2010. (AP Photo/Susan Walsh)

In this June 4, 2010, file photo, Pete Rouse, senior adviser to President Obama, is seen in Grand Isle, La. Mr. Obama on Friday replaced his brash chief of staff, Rahm Emanuel, with Mr. Rouse, a discreet behind-the-scenes operator whose low public profile belies the huge influence he wields from Capitol Hill to the White House. (AP Photo/Charles Dharapak, File)

Sen. Charles Schumer, D-N.Y., uses an umbrella as he arrives under rain showers at the White House in Washington, Thursday, Sept. 30, 2010, for a meeting between Democratic Congressional leadership and President Barack Obama. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama speaks during a town hall style meeting in Richmond, Va., Wednesday, Sept. 29, 2010. (AP Photo/Steve Helber)

ASSOCIATED PRESS President Barack Obama holds a discussion with families in Richmond, Va., Wednesday, Sept. 29, 2010.

ASSOCIATED PRESS President Obama and Chief of Staff Rahm Emanuel on the South Lawn in August. Mr. Emanuel is expected to resign Friday to run for mayor of Chicago and to be replaced temporarily by Pete Rouse.