If there's one thing I would like to see, it'd be for us to be able to price the cost of carbon emissions.

In order for us to solve many big problems around the world, it is in our interest to work with Russia and obtain their cooperation.

In ancient times and in our times, Muslim communities have been at the forefront of innovation and education.

In our democracy and our civic discourse, it seems as if folks who take religion the most seriously are sometimes also those who are suspicious of those not like them.

We may not be able to stop evil in the world, but how we treat one another is entirely up to us.

Over the last 15 months, we've traveled to every corner of the United States. I've now been in 57 states? I think one left to go.

I've got two daughters. 9 years old and 6 years old. I am going to teach them first of all about values and morals. But if they make a mistake, I don't want them punished with a baby.