If you think you got a better idea in terms of how to approach this that's not gonna result in more pollution, and more asthma, and more illness then put your ideas out there. But don't just oppose things because, "This was Obama's agenda."

A mother deserves a day off to care for a sick child or sick parent without running into hardship - and you know what, a father does, too. It's time to do away with workplace policies that belong in a 'Mad Men' episode.

This was the moment when the rise of the oceans began to slow and our planet began to heal.

My particular worries on any given day - how I'm doing in the polls or what somebody is saying about me... for good or for ill - isn't particularly relevant. What is relevant is: What am I building that lasts?

Today, women make up about half our workforce. But they still make 77 cents for every dollar a man earns. That is wrong, and in 2014, it’s an embarrassment. Women deserve equal pay for equal work.

My hope is Donald Trump makes things better. And if he does, we'll all benefit from it.

The incredible story of progress that is America has always been built by those who ask why, what if, and why not. Our schools must begin instilling that wonder in our children again so that their generation will unite around the next great project of our time, whether it be declaring America energy independent or launching the next great technological revolution.