Roll out the red carpet for Trump

We need America. So we need its President – whether we like him or not. May must not let Macron walk off with Europe’s defence and security leadership.

Watch Trump on Iran

We are so preoccupied with Brexit and Putin that we may have missed the significance of the President’s latest sacking-and-replacement.

Profile: The rules of war

International humanitarian law may be imperfect, but it can ameliorate some of the worst horrors of armed conflict – such as the Khan Sheikhoun gas attack.