thursday. biden will be in attendance for that the president will not. the president and pope are allies on climate change, income inequality, iran nuclear deal, the white house is not saying they won't reveal what these two men will discuss, perhaps that's because this pope can be full of surprises. after their last meeting in rome, we asked the president whether any hot button social issues were raised and president obama told me, at that news conference, the pope unexpectedly brought up immigration reform. the pope can be full of surprises and white house senior adviser valerie jared told me they have more to tackle. they're on the same page on a whole slew. >> tell us about the diversity of the invitees coming to the white house tomorrow to welcome the pope. >> reporter: that's right. with 15,000 people, the white house says there are people coming from all parts of the world, all shapes and sizes, from all political stripes, and