In the past, there have been a range of treaties that divided Congress and every administration was able to get them through.

More people are realising that ISIL's not a caliphate. It's a crime ring.

The single biggest threat that we face is a nuclear weapon or some weapon of mass destruction. What that means is that we have to be extraordinarily aggressive and vigilant in controlling nuclear proliferation.

You [Bill Maher] seem to have done alright with your TV show... I mean, I don't get a sense... to the extent that they're boycotting you, it's because of your other wacky views rather than your particular views on religion.

We can make sure that people who don't have health insurance can buy into an insurance pool that gives them better bargaining power.

If we are enforcing what should be the rules around Medicare and making sure the people are getting the bang for the buck, it's not going to be possible for insurance companies to simply pass on those costs to Medicare recipients, because ultimately it's Uncle Sam that's paying for those services anyway.

Part of what's changed in politics is social media and how people are receiving information.