Today, more than ever before, science holds the key to our survival as a planet and our security and prosperity as a nation. It's time we once again put science at the top of our agenda and work to restore America's place as the world leader in science and technology.

Tonight, with a new Iraqi government in place, and following consultations with allies abroad and Congress at home, I can announce that America will lead a broad coalition to roll back this terrorist threat.

I get letters from [people getting insurance] right now. "You saved my child's life." "I did not have to sell my home when my wife got sick." And that is what, as a policy maker, I'm trying to achieve during the short period of time that I'm here.

My only agenda for the next two years is the same as the one I’ve had since the day I swore an oath on the steps of this Capitol — to do what I believe is best for America.

Let's be grateful for what we have. Let's be mindful of those who have less. Let's appreciate those who hold a special place in our lives, and make sure they know it. And let's think about those who can't spend the holiday with their loved ones - especially the members of our military serving overseas.

As the wealthiest nation on Earth, I believe the United States has a moral obligation to lead the fight against hunger and malnutrition, and to partner with others.

Angela [Merkel] and I also agreed the need for a comprehensive and humane response to the devastating humanitarian crisis in Syria and for the influx of migrants and refugees from around the world. We need to build on the progress achieved at the U.N. Refugee Summit, which yielded new commitments from some 50 nations and organizations.