Pope Francis greets US Vicepresident Joe Biden with his wife Jill during the Inauguration Mass on March 19, 2013 in Vatican City, Vatican. The mass was held in front of an estimated crowd of up to one million pilgrims and faithful who have filled the square and the surrounding streets to see the former Cardinal of Buenos Aires officially take up his role as pontiff. Pope Francis' inauguration took place in front of Cardinals and spiritual leaders as well as heads of state from around the world. - New First Lady of the United States Jill Biden is a 69-year-old teacher. English teacher in public college, she intends to continue her profession as First Lady. Photo by ABACAPRESS.COM