The Roman toga may no longer be the form of dress but barely concealed daggers are simply awaiting the right moment. Politically, Theresa May is living on borrowed time, a “dead woman walking”, for whom the only question, according to former Chancellor of the Exchequer George Osborne, is “how long she will spend on death row”. The settling of old scores among former party colleagues are always the most treacherous and the British Conservative party is well practised in...