The issue of climate change is one that we ignore at our own peril

I opposed the Defense of Marriage Act in 1996. It should be repealed and I will vote for its repeal on the Senate floor. I will also oppose any proposal to amend the U.S. Constitution to ban gays and lesbians from marrying.

Usually, I'm pretty good about sorting through the options and then making decisions that I'm confident are the best decisions in that moment, given the information we have. But there are times where I think I wish I could have imagined a different level of insight.

On Syria, it's clear that the indiscriminate attacks on civilians by the [Bashar] Assad regime and Russia will only worsen the humanitarian catastrophe and that a negotiated end to the conflict is the only way to achieve lasting peace in Syria.

[The generation engaged, inspired, worked for change] that generation, it's coming. They're not the majority yet but they're gonna be the majority soon.

Leadership isn't just legislation, that it's a matter of persuading people and giving them confidence, and bringing them together and setting a tone.

Turns out I'm really good at killing people. Didn't know that was gonna be a strong suit of mine.