"Every time Americans debate the problem of states' rights, the relationship of federal power to state power -- which we are indeed having a roiling debate again -- and every time we debate not only race relations, but the very idea of what it means to be an American, multi-racial,greatly diverse society, we are debating the direct legacies of the Civil War."

VOA: special.2011.04.09

"There is still a lot of firsts to do and hopefully we will run out of those firsts pretty quickly because it is certainly my desire that one of the legacies that I would certainly like to leave behind is bringing in more African-American astronauts."

VOA: standard.2010.02.02