It's the reason why I am always interested in engaging in people who are pushing us and pushing against the status quo. But having been an activist, the only thing that I'm always encouraging activists to do is, once you have raised the issue, and even through controversial means, you have to come behind it with an agenda and the possibility of reconciliation if power meets your demands.

We are not a nation that says 'don't ask, don't tell.' We are a nation that says 'out of many, we are one.'

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.

Clearly, Iran has influence in Iraq. Iraq has a majority Shi'a population, they have relationships to Iran. Some are natural.

We have a historic opportunity to prevent the spread of nuclear weapons in Iran, and to do so peacefully, with the international community firmly behind us. We should seize that chance.

We have to have a president who is clear that you don't deal with Russia based on staring into his eyes and seeing his soul. You deal with Russia based on, what are your - what are the national security interests of the United States of America? And we have to recognize that the way they've been behaving lately demands a sharp response from the international community and our allies.

FDR, JFK, LBJ [all Democratic presidents ] we have a pretty long list of presidents who maybe were not entirely forthcoming with intelligence information before they went to war, so I'd be cautious against making legal cases against the administration.