>> red shimek red state democrat senator claire mccaskill of missouri facing a reelection fight and donald from throwing his weight behind her gop challenger. >> good evening. this senate race is one of the closest in the country and one of the gop top targets for the midterm elections, look at the most recent polls where missouri's attorney general leads by less than a point. senator claire mccaskill is a moderate democrat in an increasingly red state the president won by double digits so tonight donald trump said a good part of his speech listing mccaskill's agenda items she voted against. >> doesn't represent the people of missouri. she represents the radical democrats in washington. she voted no on case law.