here at independence hall behind me. we are a nation of immigrants, as well. and he drives home that message to not -- not too subtly that we all need to be welcoming in a way as we know that certain political candidates have not. so he is a part of that debate, even in the deft and gentle way he's done it and delivered each of his messages here. and in the crowd today immigrant families just like the immigrant children when he stopped by that school in east harlem. at each stop while the messages has been strong and heart felt and full of conviction, they haven't been openly political. i think we can expect the same style later today. >> thank you very much, we'll be watching a very exciting day for those 40,000 people that get to be there and the world really watching on television. i want to go now to our carol