saying to their peoples, look, the united states is a racist people and we were very concerned about losing a propaganda mention. >> and groups once said to be racially inferior were becoming part of the american family. >> we in america are immigrants. >> a new idea was born. >> a people welded from many nations. >> america, the land of immigrants. >> we take it for granted that that's how we always imagined ourselves. that's new at this time. >> my country welcomed so many sons and daughters of so many countries and gave them a fair chance and a fair opportunity. >> one of the early champions of that new idea was john f. kennedy. he was part of the immigration story. i mean, the kennedys, irish