Cameron and the whole British Establishment traduced Trump. This young Briton who attempted to kill Trump might well have been influenced by this inflamatory language saying how dangerous Trump. This young man shows no remorse and is quoteed as saying he will try again. He is in the US illegally. Will the Americans deport him back to the UK or try and imprison him in the US.
Cameron, Milliband etc should realise that their inflamatory language has consequences as well as being politically stupid denigrating a man who could be the next US President.