[Michelle Obama] was the hardest sell. And she never fully embraced being in the public spotlight, which is ironic, given how good she is.

The best judge of whether or not a country is going to develop is how it treats its women. If it's educating its girls, if women have equal rights, that country is going to move forward. But if women are oppressed and abused and illiterate, then they're going to fall behind.

Literacy is the most basic currency of the knowledge economy.

One of the things that we have to change in this country is the idea that people can't disagree without challenging each other's character and patriotism. I have never suggested that Sen. McCain picks his positions on national security based on politics or personal ambition. I have not suggested it because I believe that he genuinely wants to serve America's national interest. Now, it's time for him to acknowledge that I want to do the same. Let me be clear: I will let no one question my love of this country.

Without a deal [with Iran], the international sanctions regime will unravel with little ability to reimpose them. With this deal, we have the possibility of peacefully resolving a major threat to regional and international security. Without a deal, we risk even more war in the Middle East and other countries in the region would feel compelled to pursue their own nuclear programs, threatening a nuclear arms race in the most volatile region in the world.

I wouldn't advise [people] to be silent.

The dollar is the reserve currency of the world.