David [Cameron] has been an outstanding friend and partner on the global stage and, based on our conversation, I'm confident that the UK is committed to an orderly transition out of the EU.

You could see a man talking to himself as just plain crazy, or read about the criminal on the front page of the daily paper and ponder the corruption of the human heart, without having to think about whether the criminal or lunatic said something about your own fate.

My second piece of advice is to stay global. As the world continues to change and we become more connected to each other, globalization will bring both benefits and disruptions to our lives. But either way, it's here, and it's not going away.

The politics around trade has always been tough, particularly in the Democratic party, because people have memories of outsourcing and job loss.

We will harness the sun and the winds and the soil to fuel our cars and run our factories.

In America, there's a failure to appreciate Europe's leading role in the world. Instead of celebrating your dynamic union and seeking to partner with you to meet common challenges, there have been times where America has shown arrogance and been dismissive, even derisive.

There is no shame in confusion or fear. "There was only shame in the silence fear had produced. . . . It was the silence that betrayed us."