and i'll never forget the scene when he and the president-elect were standing on the doorstep there at bedminster and i had two thoughts. thank god that jim is going to take this job on as secretary of defense, but it won't last. jim is a man of principle. and he stayed as he said. he did as well as he could for as long as he could. truth in advertising, he's a friend and someone i greatly admire. >> on the subject of it won't last, in the same interview that we're talking about, general mattis says, quote, there is a period in which i owe my silence. it's not eternal. it's not going to be forever. so when do you think this grace period might end for him? >> you know, i don't know, john. and i thought that statement was very intriguing.