The war on terror, that campaign without end launched 14 years ago by George Bush, is tying itself up in ever more grotesque contortions. On Monday the trial in London of a Swedish man, Bherlin Gildo, accused of terrorism in Syria, collapsed after it became clear British intelligence had been arming the same rebel groups the defendant was charged with supporting. The prosecution abandoned the case, apparently to avoid embarrassing the intelligence services. The defence argued that going ahead with the trial would have been an “affront to justice†when there was plenty of evidence the British state was itself...