Donald Trump is discovering the hard way that it’s usually wise to treat allies well – for if you treat them badly they’re less likely to help when you need them. Despite several vainglorious boasts ...

The reason a state goes to war — its casus belli — is an essential component of its campaign. Wars with a strong casus belli, such as the Civil War and World War II, are usually more popular and ...

IT WAS A muddled halt to a muddled war. Donald Trump first threatened to intensify America’s bombing so much that it would destroy Iran’s “whole civilisation”. Then, less than two hours before this ...

TWICE IN NINE months the United States and Iran have been on the verge of a real deal on the most difficult issue that divides them: Iran’s nuclear-energy programme and American fears that it could be ...