The four nights of Donald Trump's nominating convention in Milwaukee were a carefully orchestrated attempt to give one of the most divisive politicians in recent US history a makeover. Republicans described him as a loving and caring family man whose near assassination had changed him. As he accepted his party's presidential nomination on Thursday night, it seemed Trump had bought into these efforts to repackage him as a humbler, unifying figure, more palatable to swing voters crucial for winning the November 5th election. But then, he returned to form.