In order for us to solve many big problems around the world, it is in our interest to work with Russia and obtain their cooperation.

It's not because John McCain doesn't care. It's because John McCain doesn't get it.

Clearly, Iran has influence in Iraq. Iraq has a majority Shi'a population, they have relationships to Iran. Some are natural.

We all want the Greek people to prosper, to be able to provide a good life for their families and their children. That would be good for Greece, that would be good for the European Union, good for the United States, and ultimately, good for the world.

Will not collect a ransom in exchange for not crashing the American economy.

Few challenges facing America and the world are more urgent than combating climate change. The science is beyond dispute and the facts are clear.

And I do not want, and I will not accept, a deal in which I am asked to do nothing, in fact, I'm able to keep hundreds of thousands of dollars in additional income that I don't need, while a parent out there who is struggling to figure out how to send their kid to college suddenly finds that they've got a couple thousand dollars less in grants or student loans.