Under President Bush, Andy Card has acted as a kind of manager.

NPR: Slate's Politics: Will Card Resignation Soothe GOP?

"Back, Andy, back, " Bush said with a chuckle.

CNN: NHPrimary.com: Bush learns the joys of retail politics

President GEORGE W. BUSH: On most days, Andy is the first one to arrive in the west wing, and among the last to leave.

NPR: High Court Hears Challenge to Military Tribunals

That prompted then-White House Counsel Gonzales and President Bush's chief of staff, Andy Card, to go to Ashcroft's bedside in an intensive care unit at George Washington University Hospital.

NPR: Cheney Blocked Promotion of Dissenting DOJ Official

As Andy Kohut of the Pew Research Centre says, Mr Bush showed at his convention that he could move the needle, while Mr Kerry could not.

ECONOMIST: The presidential election