After an hour or two of being socially on, we introverts need to turn off and recharge ... This isn't antisocial. It isn't a sign of depression.

Donald Trump didn't cause chaos. Chaos caused Trump.

There will be more coming afterwards if we don't re-empower politicians to get organized and work together.

We started tearing down the seniority system on Capitol Hill. All of that begins in the '70s. It accelerates and continues in the '90s, and it's going on to this day.

In a liberal scientific society, to claim that you are above error is the height of irresponsibility.

Compromise is what it's got to be all about when you're governing, because no one is ever going to have a big enough majority to just do what they want to do all the time.

In science we kill our hypothesis instead of each other.