Sag Harbor' brought me a new readership - it's a coming of age tale about growing up in the '80s.

Even growing up the way I did, I was shocked by the level of poverty I saw as a college student. I thought the best way to understand it was to get close to it on the ground level.

I don't think we can fix poverty without fixing housing, and I don't think we can address housing without understanding landlords.

I teach at Harvard, and focusing on understanding this problem on a national level is a big priority of mine right now - where evictions are going up and down, what cities are actually instituting policies that work, what housing insecurity is doing to our cities, neighbourhoods, our kids.

We continue to send money to the U.N. for countries who are anti-American and anti-Israel - it's got to stop.

Bitcoin may herald the dawning of a new age in currency. It holds superior traits as a form of 'good money.' As a tangible form of asset (its core tangibility being its mathematical basis), it could become an incredibly important building block for the 21st century's global economy.

If you were to ask me to choose between democratic values and wealth, power, prosperity and fame, I will very easily and without any doubt choose democratic values.

MoMA is doubling its space, and I decided to raise the money for it.