Barack Obama is uniquely qualified to speak about the knowledge, experience and temperament that the presidency requires. And I know he is raring to get out there and start campaigning and I really look forward to campaigning with him.

Voting is the most precious right of every citizen, and we have a moral obligation to ensure the integrity of our voting process.

George W. Bush made the agreement about when American troops would leave Iraq, not Barack Obama.

When you are engaged in both trying to kill and capture the enemy and get support from the local population, you have to be always asking yourself, "Is what I'm doing keeping that balance?"

Today, you've got hedge fund billionaires aligned with Karl Rove, running ads against me to try to get Democrats to vote for you [Bernie Sanders]. I know this game. I'm going to stop this game.

Right now - and this is something Donald [Trump] has supported, along with the gun lobby - right now, we've got too many military- style weapons on the streets. In a lot of places, our police are outgunned. We need comprehensive background checks, and we need to keep guns out of the hands of those who will do harm.

The middle class is both real and aspirational. And I want to make sure that it remains strong and it gives people a sense of security and confidence and optimism about their futures.