good evening, i m kate bolduan in for erin burnett. pope francis in america. the people s pope landing at joint base andrews outside washington just a short time ago. for an historic six-day, three-city visit. his first to the united states. president obama and the first lady along with their daughters, the vice president and mrs. biden were on hand to greet the pontiff along with a big crowd. some 300 local school children included. the crowd chanting, we love francis. at times the pope departed andrews in not your typical vip car service. instead a tiny fiat. his vehicle simply dwarfed by the suvs that took the presidential contingent back to washington. tomorrow, 15,000 people will gather for his welcome to the white house. thursday, the pope will address a joint session of congress before flying to new york city for a prayer service at st.