We have a rare chance to pursue a new path, a different, better future that delivers progress for both our peoples and the wider world. That's the opportunity before the Iranian people. We need to take advantage of that.

The interesting thing about the African-American experience in this country is that we are sort of a mongrel of people. I mean we're all kind of mixed up.

In addition to giving our children the science and math skills they need to compete in the new global context, we should also encourage the ability to think creatively that comes from a meaningful arts education.

Long before being nerdy was cool, there was Leonard Nimoy. Leonard was a lifelong lover of the arts and humanities, a supporter of the sciences, generous with his talent and his time. And of course, Leonard was Spock. Cool, logical, big-eared and level-headed, the center of Star Trek’s optimistic, inclusive vision of humanity’s future. I loved Spock.

Every three weeks, we bring online as much solar power as we did in all of 2008...That’s why, over the past six years, we’ve done more than ever before to combat climate change, from the way we produce energy, to the way we use it.

America does not presume to know what is best for everyone

After all, there were thousands of so-called campus radicals, most of them white and tenured and happily tolerated. No, it remained necessary to prove which side you were on, to show your loyalty to the black masses, to strike out and name names.