If we were being attached by space aliens, we wouldn't be playing these kinds of games.

I think that most small amounts of marijuana have been decriminalized in some places, and should be. We really need a re-examination of our entire policy on imprisonment...Our imprisonment policies are counterproductive.

It's the biggest public health problem in America, the rising rates of obesity among our young people and very heavy statistics among our adult population.

In science, if the last 50 years were the age of physics, the next 50 years will be the age of biology.

There's this whole problem of trafficking, which has gotten worse in the economic downturn, which disproportionately affects young women, but also affects some young men who are sold into bondage, into basically servitude for indebted work that they can often never escape from.

Talk to people about what our real choices are... Our way works better... Stick with us, keep talking and think how much better it will be if we keep going forward together.

The earth is warming at an alarming rate, we are running out of fossil fuels, and it is long past time for us to take action to correct these problems.