The ongoing war between Donald Trump and the Hollywood A-list has entered a new and unpredictable phase. Celebrity criticism of Trump — keenly anticipated as the chewy takeaway from last week’s Academy Awards ceremony — was instead overshadowed by a celebrity cock-up. Thanks to a mix-up of the sacred envelopes, presenters Warren Beatty and Faye Dunaway temporarily awarded Best Picture to La La Land, rather than the real winner, Moonlight.