in many locations tonight we have fox team coverage on this election nightoxide cameron is oklahoma city where negative advertising may have backfired in the campaign to replace a retiring senator, but we begin with senior national correspondent john roberts who is in jackson, mississippi tonight, sight of perhaps the most bitterly contested race of the evening. >> reporter: for three weeks thad cochran has barn stormed the state the way he hasn't had to since he first won the state in 1978. campaigning yesterday with arizona senator john mccain who himself once said many politicians make the mistake of staying too long. >> that's the case being now against senator cochran he's been there too long. >> that's a judgment that the people make. but i think that there's also great benefit in having long time service. >> reporter: the latest poll from a democratic firm had challenger chris mcdaniel in the lead but only included people who voted in the june 3rd