Congressional candidate from northern Mississippi launches ad backing away from the Illinois Senator.
Calls the claim that Obama endorsed him "an attack"-- Watch the ad here. (RealPlayer)
"Senator Obama hasn't endorsed my candidacy. I have not been in contact with his campaign nor has he been in contact with mine."
Earlier, Travis Childers' opponent ran an ad linking Childers to Obama.
NRCC spokesman: Ad highlights "the toxicity an Obama candidacy can bring to Democratic campaigns down-ballot." Full statement here.
