the traditional papal blessing, urbi et orbi, and then he said a simple good night. and slipped back into his new home, his new and very different life. spectacular day. vice president joe biden is set to lead the u.s. delegation to pope francis inauguration mass which will be held tuesday morning. abc s cokie roberts, a long time vatican observer, has been reporting from rome all week. she sat down with nightline s terry moran to talk about what we can expect from the new pope. so as a world waits to find out more about newt pope, the white house said vice president biden is going to lead the u.s. delegation to pope francis inauguration mass next tuesday morning.