sort of a permanent thing. how are you doing now day to day? >> better and better. for example, about a year and a half ago i got -- i got -- i'm sorry, what i wanted to say is i can drive now. so that's very good. so i'll go to pittsburgh for football games. and i do it all the time. so you know, my wife or my son helps me, but we do many times. so that's very good. >> earlier this month i know that you made your first on-stage appearance during your -- since your stroke. >> yeah. >> and i can only imagine the courage that takes. now, at the event you were talking about what keeps you awake at night. and you said china. and obviously we're in this moment now where tensions feel higher than they've been in decades after president biden