Omar Mateen’s alcohol use and conflicted sexuality are at odds with the terrorists’ religious credo, but losing in Iraq and Syria, it is desperate for a win, say Lori Hinnant and Sarah El Deeb

If all the people who live outside the country of their birth united to form their own — a republic of the rootless — it would be the fifth-largest country in the world, with a population of more than 240m people, writes Mark Leonard 

Forget underpants bombs. The new terror threat is far more serious. Daniel Klaidman And Christopher Dickey report on a more sophisticated attempt to evade security