I invigorated the grassroots in the Republican Party as well as the Democratic Party.

As has been well documented, I smoked pot as a kid, and I view it as a bad habit and a vice, not very different from the cigarettes that I smoked as a young person up through a big chunk of my adult life. I don't think it is more dangerous than alcohol.

The alternative, no limits on Iran's nuclear program, no inspections, an Iran that's closer to a nuclear weapon, the risk of regional nuclear arms race, and the greater risk of war - all that would endanger our [American] security.

Our founders made it extraordinarily difficult to amend the Constitution.

The Russians don't make determinations about what our defense posture is.

It may be something that future generations are more open to, but I am pretty confident that for the foreseeable future, using the argument of nondiscrimination, and "Let's get it right for the kids who are here right now," and giving them the best chance possible, is going to be a more persuasive argument.

For decades, we've been told that it doesn't make economic sense to switch to renewable energy. Today, that's no longer true.