The problem is that when government controls the economy, those who can influence government keep winning, and everybody else just stays the same.

Let me just say the rules are what they are in the Republican Party. You have to have X-number of delegates in order to be the nominee. And if you don't have those number of delegates, then there's a process in place.Here is what would be a calamity, for Donald Trump to become our nominee.

Increasing access to federal student loans has been a bipartisan effort in Washington, one that I have supported. But it has created what many experts believe is a bubble in higher education, not unlike the housing bubble that preceded the financial crisis.

Aren't we in the midst of a blitzkrieg, for a lack of a better term, of informational warfare conducted by Russian trolls under the command of Vladimir Putin?

No matter where you're born in life or what the circumstances are when you're born, like your parents being poor or not connected to power, you have a chance in this country to go as far as your talent and your work will take you.

That is, I think that what I do, that democracy in Venezuela hasn't really worked well since the [Ugo] Chávez era and that it has gotten even worse since the last elections, in which the Maduro government lost control of the House, of the country's legislature.

Donald Trump's views on Vladimir Putin, I think, are troubling. And I don't think he fundamentally understands exactly who Vladimir Putin is or exactly what he's trying to do. So, these are the kinds of things that I think in detail you need to begin to understand.