Son no matter what. now walker has a new ad out saying he got through his mental health struggles with the grace of god. no comment yet from his challenger, incumbent raphael warnock. and so far top republicans seem to be standing by walker. we cannot overstate this enough, mika. republicans believe they almost certainly need to win georgia in their battle to take back the senate. >> yeah. nbc news chief white house correspondent kristen welker, thank you very much. it's interesting to see the republican reaction and it's not because they knew what they were getting. they signed up for it. the...