Some 20,000 are expected in Atlanta this week to show that they can work together despite political and religious divisions.
The black vote was key to his decisive win Saturday. To be competitive in the Feb. 5 sweepstakes, he'll need a broader coalition of independents, young people, and affluent whites, analysts say.
A new report by Washington watchdog group Freedom House says a clampdown on political rights made 43 countries 'not free' in 2007.
Many revert to former careers or, like Dee McMahon, look for new ones.
Caucus results shake up the race for the White House in both parties.