and the leader of the liberal pack, the oldest justice, 83-year-old ruth bader ginsburg, who has been openly critical of donald trump. >> throwing away your umbrella in a rainstorm, because you are not getting wet. >> reporter: ginsburg, who recently took center stage at the kennedy center last weekend, shows no sign of slowing down. with one open seat and an aging bench, president trump has the opportunity to shape the court for generations to come. pamela brown, cnn, washington. >> joining us is npr legal affairs correspondent, nina totenberg, and jornl washington law professor turley. as far as nominating, as the process goes, i think people assume it's going to be easy for trump to get his choice confirmed. is that actually the case? >> well, remember, this is not a wide margin. even if he picks up the seat in louisiana, you'd have 52 republican senators. you can throw in on a tie vice president pence. but that is not necessarily a lead pipe cinch of a margin that you need as president, if you're going to put someone on the court, who has said that they're opposed so thoroughly to