support somebody who's deemed untrustworthy by the majority of americans. >> reporter: that's the argument in missouri. in the fight of his political life against a democrat whose gun assembly ad went viral. >> i'm jason kan dor and sena r senator. >> joked hillary clinton should be shot. >> got a picture of hillary clinton on the front. i was shocked at that. didn't have a bull's eye on it. >> reporter: if those pull out wins, probably keep control of the senate but if democrats come out on top, it will be a rise to power fueled in part by women. like maggie in new hampshire, katie mcginty in pennsylvania and tammy duckworth in illinois. all assured after this debate moment. >> i had forgotten your parents came all the way from thailand to serve george washington. >> reporter: senator mark kirk