When you have energy companies like Shell and British Petroleum, both of which are perhaps represented in this room, saying there is a problem with excess carbon dioxide emission, I think we ought to listen.

I understand personally that it is frustrating to lose presidential elections by narrow margins.

Sometimes an active policy is best advanced by doing nothing until the right time - or never.

This is what happens, when, for the first time in modern history, a candidate resorts to lawsuits to try to overturn the outcome of an election for president.

You don't need to know who's playing on the White House tennis court to be a good president.

Sometimes you move publicly, sometimes privately. Sometimes quietly, sometimes at the top of your voice.