Over more than a decade, Iran had moved ahead with its nuclear program. And before the deal, it had installed nearly 20,000 centrifuges that could enrich uranium for a nuclear bomb.

The sort of seeing cruelty and callousness of that sort from young people is heartbreaking.

We have to be successful at the cutting-edge industries of the future like Twitter. But we also have always been a country that makes stuff.

We are greater than the sum of our individual ambitions

I'm blown away. I'm flabbergasted the president [Barack Obama] made the phone call to Rouhani after 30-plus, `79, 33 years or so. And there's a reason we haven't negotiated with Iran, because they're state-sponsored terrorists. They're the central bank for terrorism around the world.

Go back to - my first campaign for the United States Senate. I got a bunch of people now talking about inequality. But back then they sure weren't. Back then, folks were saying I was preaching class warfare. Now it's suddenly their campaign platform.

If condoms and potentially microbicides can prevent millions of deaths [from AIDS], they should be made more widely available. I know that there are those who, out of sincere religious conviction, oppose such measures. And with these folks, I must respectfully but unequivocally disagree.