Driverless cars are coming to your street - the only question is, 'When?'

And when these advances are made, hydrogen can fill critical energy needs beyond transportation. Hydrogen can also be used to heat and generate electricity for our homes. The future possibilities of this energy source are enormous.

On the battlefield, the military pledges to leave no soldier behind. As a nation, let it be our pledge that when they return home, we leave no veteran behind.

TPP replicates similar language from past trade agreements that has allowed foreign corporations the right to challenge U.S. federal, state, and local laws outside of American courts. These tribunals will not meet our high standard of transparency and due process, and they will rely on weak impartiality rules for selecting judges.

Another inspiration that has helped me get through has been Lance Armstrong's story. My cancer is not nearly as bad as his, but I believe in staying motivated and keeping as fit as you can.

I think it's part of your mental health to let go of things. I think if you would have it all right there, it would be a little overwhelming. I don't know how you'd have a relationship. When you have a relationship, don't two people collude to kind of forget certain things?

Health care should be a right; it should never be a privilege. We should have Medicare for all in this country.

The subsidy for employer-sponsored coverage has tethered health care to employment in a way that virtually no economist endorses.