The system [in U.S.] is designed for a two-party system. And those two parties have an interest in keeping third parties out. There's too much of the structure that works in the two-party way. They will keep the third party out.

I will say that walking down the street, getting on the subway, taking the elevator, if there's one or two people and they say, 'Great job, Mayor,' that is a real turn-on. I mean, anybody that wouldn't find that satisfying, rewarding, exciting, thrilling - I think they should see the doctor.

We should remember it wasn't so long ago that confidence in New York was in short supply.

After all, the same steps that reduce carbon pollution also clean the air we breathe, which saves lives and reduces disease.

Our climate is changing. And while the increase in extreme weather we have experienced in New York City and around the world may or may not be the result of it, the risk that it may be - given the devastation it is wreaking - should be enough to compel all elected leaders to take immediate action.

Most people won't have opportunity to do full-time service, but those lucky enough to have monetary wealth or some spare time really can make an enormous difference. As someone who's now in the public sector, and is seeing up-close-and-personal the real impact of what we do and what we give, I can tell you: every dollar and every volunteer help, in more ways than you can count.

You don't make spending decisions, investment decisions, hiring decisions, or whether-you're-going-to-look-for-a-job decisions when you don't know what's going to happen.