As Iraqi forces continue the liberation of Mosul, I'm pleased that NATO will be meeting the commitment we made in Warsaw to begin training additional forces in Iraq.

My sister is a teacher, so I am a strong support of teachers, but I'm not going to be bound by just a certain way of talking about these things, in order for us to move forward on behalf of our kids.

My job is not to represent Washington to you, but to represent you to Washington.

For the sake of our children and our future, we must do more to combat climate change. Now, it's true that no single event makes a trend. But the fact is the 12 hottest years on record have all come in the last 15. Heat waves, droughts, wildfires, floods-all are now more frequent and more intense. We can choose to believe that Superstorm Sandy, and the most severe drought in decades, and the worst wildfires some states have ever seen were all just a freak coincidence. Or we can choose to believe in the overwhelming judgment of science-and act before it's too late.

There is a theory that basically says that we can shred regulations and consumer protections and give more and more to the most, and somehow prosperity will trickle down. It hasn't worked. And I think that the fundamentals of the economy have to be measured by whether or not the middle class is getting a fair shake.

In a world of complex threats, our security and leadership depends on all elements of our power - including strong and principled diplomacy.

Is this money well spent? This is taxpayer money, it is going to be adding to the deficit short term and if we can't justify it, then we're not going to spend tens or hundreds of billions of dollars, just to make somebody happy, if it's not good for the economy.