Welcome. Im bob and acker gnatty. Large crowds greeted the pope throughout the week as he emphasized his familiar themes of humility and concern for the poor. Nearly 1 million pilgrims attended the welcoming ceremony. Earlier in the week, francis celebrated mass. And he met with patients at a drug rehabilitation facility. The pope also visited a rio slum where he urged People Living there not to lose hope. For more on the popes trip, im joined by father tom reese and a visiting scholar at santa clara university. He joins us from california. The pope is quoted as having told young people in brazil that he wants a mess. He wants trouble in the diocese. Whats going on . Well, this is a pope that has really brought excitement to the church. This is a pope who is a pope of poor people, of the slums, and now of young people. And he want does have a revolution. He wants people to recognize that the gospel of jesus is revolutionary. Its call for a concern for the poor, former itsy and forgiven