97 percent of the scientists who wrote articles in peer-reviewed journals believe that human activity is the fundamental reason we are seeing climate change.

Here's something that I believe we have to do as we put together an international coalition, and that is we have to understand that the Muslim nations in the region - Saudi Arabia, Iran, Turkey, Jordan - all of these nations, they're going to have to get their hands dirty, their boots on the ground. They are going to have to take on ISIS.

Every three weeks before an election the TV ads expressing great concern about our trade policy and the loss of jobs to China and other low-wage countries. And then it's forgotten about the day after the election.

As a result of the digital age and the decline of first-class mail, there is no question that the Postal Service must change and develop a new business model.

Income and wealth inequality have reached obscene levels, the threat of climate change is more frightening than ever, and the billionaire class is now allowed to spend unlimited amounts of money to buy the candidate they want. And it is up to us to stand up and fight back. If we stand together, there is no limit to what we can accomplish.

We've had a number of economists supporting our legislation. And here's where we are. The American people can judge. Six largest financial institutions in America today have assets of roughly $10 trillion; equivalent to 58 percent of the GDP of the United States of America.

The police killings of unarmed African Americans has got to stop.