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)

Photo by: Charles Dharapak

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)