People use so much more health care when they live longer.

I think [Winston] Churchill said it was " [democracy] the worst of all systems except for all the others." And that's probably true. It's never gone easily.

Despite its potential, the federal government has restricted funding for creating new cell lines - putting the burden of any future research squarely on the shoulders of the private sector. Government's most basic responsibility, however, is the health and welfare of its people, so it has a duty to encourage appropriate scientific investigations that could possibly save the lives of millions.

By speeding the transition to cleaner energy, we can improve the lives of billions of people, while also reducing the risks we face from a changing climate.

I have my own army in the NYPD, which is the seventh biggest army in the world. I have my own State Department, much to Foggy Bottom's annoyance. We have the United Nations in New York, and so we have an entree into the diplomatic world that Washington does not have.

I gave a speech at the Democratic National Convention in 2016 and warned of Trump. America has survived for almost 250 years with its imperfect democracy, but, you know, maybe it's a better democracy than elsewhere. And I am sure American democracy will survive.

I'm not going to talk about supporting somebody for a long time. I don't know who the two party candidates are going to be.