The terror attacks have reshaped the campaign and may have given another boost to Donald Trump.

I think sometimes Europe may take for granted the extraordinary progress that's been made over the last 40, 50 years. I recognize that sometimes there is great frustration that arises out of the euro zone or out of the EU.

I think every case is different. Every situation is different. People come on the F.B.I.'s radar screen for a variety of reasons at a variety of times.

Iran won't pursue nuclear weapons because 'it's contrary to their faith.'

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.

I didn't set a red line, the world set a red line

So while I will never minimize the costs involved in military action, I am convinced that a failure to act in Libya would have carried a far greater price for America.