donald trump was out last night, he is making it clear, he's making this a midterm issue. >> more republicans voted on the supreme court than democrats did. but in part because republicans with aggrieved by decisions of the supreme court. now democrats are fired up. i think this issue will rally more democrats than republicans given what's happened since 2016. >> andrea, what are you going to be watching for as this battle on capitol hill unfolds? >> reporter: whether the democrats can hold, because you ree eve got joe manchin and they're going to be concerned if they can where -- it was arlen specter, republican, who really sank robert bourque, i covered that confirmation hearing. >> very important points there,