That's been months in the making. and seemingly even more complicated and robust than the protection given to the president of the united states. i have our chief national security forces in maryland waiting for the president to arrive to greet the pope. and jim, correct me, but this is precedent setting in the first time a president and vice president have been on hand at andrews to greet a pope. >> reporter: that's right. we really have never seen an official state greeting like this before. the president of the united states, the vice president of ts united states bringing members of their ...