kavanaugh in the hearings. the republicans hold a slim majority in the senate. mccain's replacement would give them a razor thin 51-49 edge. if democrats units against kavanaugh republicans could need every vote that they can get. not only for the u.s. supreme court confirmation, but for other votes before the 2016 -- 2018 midterms. with me now is eric bradnor, a cnn politics reporter. all right. so, you know, there's a lot of pressure on the arizona governor, right, to make a decision. what's the criteria he would be weighing in order to find a successor, someone to fill this seat temporarily? >> yeah. there's absolutely a lot of pressure and it's kind of coming from three directions, right. president trump, obviously wants something who is going to be a reliable vote in the senate, kind of a departure from a john mccain or a jeff flake, whereas