One of the things I think I can bring to the presidency is to make government and public service cool again.

As a nuclear power - as the only nuclear power to have used a nuclear weapon - the United States has a moral responsibility to act.

Whether we like it or not, we remain a dominant military superpower.

Some technologies don't pan out; some companies fail. But I will not walk away from the promise of clean energy. ... I will not cede the wind or solar or battery industry to China or Germany because we refuse to make the same commitment here.

We know what happens when Europeans start dividing themselves up and emphasizing their differences and seeing a competition between various countries in a zero sum way.

Robin Williams was an airman, a doctor, a genie, a nanny ... and everything in between. But he was one of a kind.

When times get tough, we don't give up. We get up.