We need to teach our kids that it's not just the winner of the Super Bowl who deserves to be celebrated, but the winner of the science fair.

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.

The biggest problems with Iran in the region are not due to the size of their resources, but due to the fact that they've been more effective in supporting proxies and stirring up dissension and conflict in the region than America or our allies have been in stopping those activities.

Having a tax code that rewards companies that are shipping jobs overseas instead of companies that are investing here in the United States, that will not make us more competitive.

I think Dona;d Trump is sincere in wanting to be a successful president and moving this country forward and I don't think any president ever comes in saying to himself "I want to figure out how to make people angry or alienate half the country."

As president, I'm committed to making Washington work better and rebuilding the trust of the people who sent us here.

It's important to know that the vast majority of people who were excited in 2008 are still really enthusiastic. We've got more volunteers now than ever, and they're engaged, they're motivated, they're not paying attention to the ups and downs of polls or Washington.