Republican Sen. Saxby Chambliss ' announcement last year that he would n't run for re-election triggered a free-for-all GOP primary battle . Georgia Senate Minority Leader Mitch McConnell faces tea party challenge . Senate congressman is expected to fend off tea party challenge , too . Tea party candidates might be splitting the vote in Incumbent Idaho primary . Utah governor 's race is a race to the left among Democratic .
Georgia Senate Minority Leader Mitch McConnell faces tea party challenge . Senate congressman is expected to fend off tea party challenge , too . Tea party candidates might be splitting the vote in Incumbent Idaho primary . Utah governor 's race is a race to the left among Democratic .