sue and edgar wachenheim, iii. corporate funding is provided by mutual of america designing customized individual and group retirement products. that s why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. sreenivasan: good evening and thanks for joining us. pope francis is in philadelphia on the final leg of his six-day visit to the united states. after his arrival this morning, the pope led a mass at the 150- year-old cathedral basilica of saints peter and paul. in his address, francis stressed the importance of lay people to the catholic church, including what he called the immense contribution of women, though he has rejected women becoming priests. ( translated ): we know that the future of the church in a rapidly changing society will call, and