We have known for decades that our survival depends on finding new sources of energy. Yet we import more oil today than ever before.

Iran has agreed to deepen our coordination as we work to locate Robert Levinson, missing from Iran for more than eight years. Even as we rejoice in the safe return of others, we will never forget about Bob. Each and every day our hearts are with the Levinson family, and we will not rest until their family is whole again.

It is moments like these that force us to try harder, and dig deeper, and to discover gifts we never knew we had - to find the greatness that lies within each of us.

My hope is that the president-elect [Donald Trump] coming in takes a similarly constructive approach, finding areas where we can cooperate with Russia, where our values and interests align. But that the president-elect also is willing to stand up to Russia where they are deviating from our values and international norms.

Some may still deny the overwhelming judgment of science, but none can avoid the devastating impact of raging fires, and crippling drought, and more powerful storms.

Rather than fight the same tired battles that have dominated Washington for decades, it's time to try something new. Let's invest in our people without leaving them a mountain of debt. Let's meet our responsibility to the citizens who sent us here. Let's try common sense.

The United States is imposing sanctions on individuals and companies working to advance Iran's ballistic missile program, and we are going to remain vigilant about it. We're not going to waver in the defense of our security or that of our allies and partners.