What this [presidency] campaign is about this bringing millions of people jobs in this country.

Climate change is real, caused by human activity and already devastating our nation and planet. The United States must lead the world in combating climate change and transforming our energy system away from fossil fuels and toward energy efficiency and sustainability.

I think, clearly, we got to work closely with China to resolve the serious problems we have, and I worry about Putin and his military adventurism in the Crimea and the Ukraine.

The American people, whether you are Democrat, independent, Republican, progressive, conservative, do not believe corporations are people or that corporations should be able to buy elections.

20 million people thrown off of health insurance, prescription drug prices raising for seniors, privatization of Medicare: devastation. And we've got to fight back against that.

If the goal of health-care reform is to provide comprehensive, universal health care in a cost-effective way, the only honest approach is a single-payer approach.

What a grassroots party is about is people getting excited, getting involved in the local political process, saying, we want our candidate to run for office, we want him to run for office, and we're going to get involved and make sure that he or she wins.