This is what Harold Ford, the light-skinned African-American Democratic Senate candidate from Tennessee, looks like in a photo from his Web site:

And this, as noted by The Knoxville News-Sentinel, is what he looks like in a direct-mail piece from the Tennessee GOP:

Looks somewhat darker, no? That's what Democrats think, and they think it's no accident. Tennesseee Republicans insist they'd never deliberately tweak a photo that way in a million years.
Hmmm, what do you think?
(Via Norwegianity and the River City Mud Bugle.)