"I think decriminalization would've been a wiser first step."

"As Colorado attempts to build its brand as a healthy state, marijuana "dilutes what you're trying to do."

If you really want to introduce corruption into legal marijuana, make it an all cash business.

I assume we will have figured out a way to efficiently utilize solar energy and tied that to an efficient way to use nuclear energy in such a way that it doesn't pose a serious environmental issue.

The Democratic Party is always going to be the party of civil rights and fairness - everybody gets an equal, fair shot at the American dream. And we're going to be the party that really fights to protect planet Earth - enjoy whatever time we're going to get!

"On what motivated Colorado voters: "Let's face it, the War on Drugs was a disaster. It may be well intentioned ... but it sent millions of kids to prison, gave them felonies often times when they had no violent crimes ... I was against this, but I can see why so many people supported it."

"On unanticipated problems: There's been "a dramatic increase in edibles." And "no one had ever worried about dosage sizes. The original edibles that came out, once you took the packaging off there was nothing to show it was any different than candy."