O ne of the least pressing yet most irritating aspects of Donald Trump’s US is the reintroduction of a bunch of people we never thought we’d have to hear from again. Men (and it’s mostly men) who, under previous administrations, were banished to the far corners of our collective consciousness, have come roaring back – this week on Air Force One. I’m referring to Brett Ratner, film director and subject of multiple accusations of sexual misconduct, all of which he denies, who was comprehensively cancelled in Hollywood but has reemerged this week to – what are the chances? – accompany the US president to China for his summit with Xi Jinping. If Ratner, who was dropped by Warner Bros in 2017, is not an obvious choice of travelling companion for the US president, he does at least fit the mould of men with appalling reputations alongside whom Trump stands a good chance of looking almost appealing.…