Romney economics would spell disaster for America's middle class. In this economy there are shipbuilders and ship wreckers.

To those who say climate change is not caused by human activity or that addressing it will harm the economy, let's encourage them to go to college, too, and to study physics and to study economics, but for the rest of us, let's get to work.

Busy souls have no time to be busybodies.

Donald Trump is an unstable charlatan who is appealing to the worst instincts in people, and I believe ultimately the American people are going to reject that.

Facts are facts: No president since Franklin Delano Roosevelt in the Great Depression inherited a worse economy, bigger job losses or deeper problems from his predecessor. But President Obama is moving America forward, not back.

Look, being president of the United States is the toughest job in the world and I can tell you, as someone who has worked with Secretary Clinton and competed against her that she is a tough person who is ready to do this job.

I think America is moving to a much more connected, inclusive and compassionate place.