My sister is a teacher, so I am a strong support of teachers, but I'm not going to be bound by just a certain way of talking about these things, in order for us to move forward on behalf of our kids.

Campaigning is different from governing.

We're opposing Russia's aggression against Ukraine, which is a threat to the world, as we saw in the appalling shoot-down of MH17.

The countries who out-educate us today will out-compete us tomorrow.

The science [of global warming] is beyond dispute... Delay is no longer an option. Denial is no longer an acceptable response

This is where I think policies do need to be somewhat race-specific, is making sure that institutions are not discriminatory. So you've got something like the FHA [Federal Housing Administration], which was on its face a universal program that involved a huge mechanism for wealth accumulation and people entering into the middle class.

When it comes to crime, the violent crime rate in America has been lowered during my presidency and any time in the last three, four decades.