If he's re-elected, Obama is likely to be out campaigning in two years for his party's congressional candidates and in four years for the Democratic presidential nominee.
But he says the name Barack Obama won't be on another ballot.
"He knows this is his last hurrah," says Lakoff, "and, as awful as campaigning must be to a sane human being, it is exciting, it is self-affirming. You get a kind of glow and aura that you can't get in any other way."
Associated Press writer Christopher Wills in Springfield, Ill., contributed to this report.
Follow Nancy Benac on Twitter: http://www.twitter.com/nbenac
Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.