Editorial: The next prime minister must show not only leadership on defence spending and European unity, but a level head to negotiate the petulant unpredictability of the US president

Little-known abroad, Andy Burnham has a chance to define a new era of US-UK relations. Should he seek to charm or bargain with the bully in the White House – or treat him ‘like a…

The PM wants to be remembered as the man who salvaged Britain's reputation as a military leader among allies. But is this enough to stave off criticism?