a 5-4 balance. all of those could fall like dominos if he was to replace one of those three justices. >> and this is why there is a lot of liberal resentment of justice ginsburg, justice breyer, as much as they are admired figures on the left, that why didn't they leave at an already advanced age when president obama was in office, and certainly, especially, when president obama had a democratic majority in the senate. >> although, how good is the track record of presidents and those who were selecting justices at predicting how the justice is going to rule? >> it's excellent. one of the myths is the surprise president. you know, and that dates largely from dwight eisenhower, who was surprised how earl warren and williams turned out to be liberals, but you think how long the eisenhower administration was? it was a long time ago. and you can argue that souter