I have confidence in my campaign. I have assembled a great team that is going to beat George W. Bush, and any rumors to the contrary are completely erroneous.

The agreement is fundamentally that we want to try to resolve this. The agreement is that ISIL is a threat to everybody, and we need to come together to find a way to fight ISIL. The agreement is that we want to save Syria, keep it unified, keep it secular. So surely in those very fundamental principles on which we could agree.

America has not led but fled on the issue of global warming.

We must retool our nation to prepare for the challenge we already face to maintain our position in the global economy. And this much is certain: America will not have national security without economic security.

When President Bush sees America, he sees only a military superpower. I see a moral and idealistic beacon. Mr. Bush may talk about democracy all he wants, but it is not democracy to wilfully disdain and heap scorn on world opinion. We do not command moral leadership by starting pre-emptive wars.

It took President Obama to make America lead like America again.

I am sympathetic to developing countries’ concerns: because of our emissions it’s their crops that will disappear; because of our inaction, it’s their fields that turn to desert...