shannon: was there anything more unexpected or challenging in stepping into the role of a justice? >> it had been 25 years since i cooked. and the place i found it small like a family. shannon: one story involved his old boss justice white. >> when he retired justice ginsburg was his successor. i was asked to help prepare his law clerk manual to give to her in case she might find it useful for her law clerks. 25 years later i get a note in my inbox saying you may remember this. the same law clerk manual. shannon: justice clarence thomas who served since 1991.