Fear, uncertainty and discomfort are your compasses toward growth. If you run you stand a chance of losing, but if you don't run you've already lost.

That may prevent us from getting a deal done, It is there to be had. Whether ultimately Iran can seize that opportunity - we will have to wait and see, but it is not for lack of trying on our part.

Climate change poses a direct threat to the infrastructure of America that we need to stay competitive in this 21st-century economy.

It is that promise that has always set this country apart-that through hard work and sacrifice, each of us can pursue our individual dreams but still come together as one American family, to ensure that the next generation can pursue their dreams as well.

I think that [Donald Trump] clearly was able to tap into a lot of grievances. And he has a talent for making a connection with his supporters that overrode some of the traditional benchmarks of how you'd run a campaign or conduct yourself as a presidential candidate. What will be interesting to see is how that plays out during the course of his presidency.

On Memorial Day we come together as Americans to let these families and veterans know that they are not alone. We give thanks for those who sacrificed everything so that we could be free. And we commit ourselves to upholding the ideals for which so many patriots have fought and died.

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