Marco Rubio, I think, will be president some day. Whether 2016 is his time, time will tell. He embraced immigration reform. He seems to have backed off. I'll let him explain why.

The next president of the United States needs to figure one thing out quickly - how to be commander in chief. And I think I could do that.

Every state and the federal government have laws that protect people from acts of violence, and those laws should be enforced. What I want to see in America is that if you hurt a human being and you bring pain in their life, that's all we need to know. If you did it illegally, you should be prosecuted.

Well, the big elephant in the whole system is the baby boomer generation that marches through like a herd of elephants. And we begin to retire in 2008.

I've got the best job in the world being a senator from the United States, a senator from South Carolina in the United States Senate, representing South Carolina in the United States Senate is a dream job for me, but the world is literally falling apart. And we can't get anything done here at home. So that drives my thinking more than anything else.

What is the environmental policy of the Republican Party? When I ask that question, I get a blank stare, if I'm president of the United States, we're going to address climate change and CO2 emissions in a business-friendly way.

If [President Obama] does not go on the offensive against ISIS...they are coming here. This is just not about Baghdad, this is just not about Syria, this is about our homeland. And if we get attacked because he has no strategy to protect us, then he will have committed a blunder for the ages.