werner, cbs news, kannapolis, north carolina. >> pelley: former president george herbert walker bush was moved today into intensive care. >> reporter: president obama offered the bushes his best wishes at his final press conference. >> they have been a constant source of friendship and support and good counsel for michelle and me over the years. they are as fine a couple as we know. >> reporter: just this past saturday, mr. bush was treated for shortness of breath. despite his health, the 92-year- old has remained active. early this month, he was spotted at an n.f.l. game in houston. but one place mr. bush will not be is the upcoming inauguration. he wrote a letter to president- elect trump explaining why. it read in part, "my doctor says if i sit outside in january, it likely will put me six feet under. same for barbara. i wish you the very best." president-elect trump tweeted his thoughts saying, "looking forward to a speedy recovery for george and barbara bush, both hospitalized. thank you for your wonderful letter." the former first lady will remain independent hospital for observation. scott, former president george w. bush, t