"I believe that we need to work towards a more peaceful and stable future for the people of the world, and that means working to prevent nuclear proliferation and reducing the risk of nuclear war."
"We have simply too much at stake in the world today to walk away from it, even if we could."
"International leadership does not involve a choice between sending in the 101st Airborne or doing nothing."
"I believe that the United States should chart a course based on a paradigm that I would refer to as 'selective engagement.'"
"The approach I suggest does not fall easily into traditional categories of foreign policy; that is, either realism or idealism."
"the United States is going to have to lead an effort to eliminate that threat."
"I could not agree more, I do not think we should have done what we did in Libya."
"He went in, he did exactly what he said he was going to do, and no more."
"We have got the tools. It is a question of whether we have the political will, with our European allies, to use them."
"There needs to be a broad look at the functions and capabilities of NATO, taking into account what Russia has been up to."
"We need to continue to work with the Europeans on our counterterrorism efforts."
"It is really important in Europe for us to complete these TTIP negotiations, right, which are important economically for Europe and for us."