ticket? >> i do. montana has a history of splitting tickets. you know, we have a democratic governor, republican attorney general. one democratic senator, one republican senator. >> donald trump won the state of montana by 20 points. so tester walks a fine line. careful not to take on the president directly and also point out how many of his bills the president has signed. he's been here three times. his son has been here. he tweeted about you and dr. ronny jackson. is he doing payback here? what do you think this is all about? >> no, i mean, what i think it's about is him loving montana. >> tester is montana born and bred. a third generation dirt farmer who still works the land on weekends. he's now asking for a third term. rosendale, who made a fortune in maryland real estate, moved to montana in 2002, became a state senator, and is now the state auditor, but tester says rosendale is not montana enough.