For the past week and a half Donald Trump has been hinting that his hard-line immigration stance may be shifting. He's been floating more balloons than an arctic weather station. Flashing more signals than a traffic light. For every indication of softening, however - either from Mr Trump himself or one of his surrogates - there's been a quick retrenchment. Balloons popped and signals quashed. "There's no different message," Trump spokesperson Katrina Pierson said last week. "He's using different words to give that message." It turns out she was half-right. When Mr Trump delivered his much-hyped immigration speech on Wednesday night, the message was the same. But so, largely, were the words....
