Trump visit avoids major pitfalls despite usual blunders

US president’s behaviour seemed tame in comparison with disastrous visit last yearHe insulted London’s mayor, abused an American actor on Twitter at 1.20am, turned Brexit into a threat to the National Health Service, described Meghan Markle as nasty, and behaved as if he was a kingmaker offering audiences to aspirants from the 51st state, and yet to Whitehall’s diplomats Donald Trump’s state visit was by no means the worst in living memory.It may be that the bar had been