on republicans in congress. they don't need an obstructionist agenda. they need some sort of positive agenda, and i think that's why there was some power in what newt gingrich said. >> so, we're talking about the republican party. we're coming up on an anniversary that is going to give the president an opportunity to highlight some presidential leadership moments. we're talking about the anniversary of the march on washington coming up on august 28th. that's where dr. martin luther king jr., of course, made his "i have a dream" speech. 50 years ago next sunday, king appeared on this very program. here is some of what he had to say. >> i think that we must face the fact that in reality, you cannot have economic and political equality without having some form of social equality. i think this is inevitable, and i don't think our society will rise to its full maturity until we come to see that men are made to live together as brothers and that we can have genuine intergroup, interpersonal living