Your leader (12 September) states that the execution of Reyaad Khan, the jihadist fighter, “was more for punishment than prevention”. I cannot comprehend all the angst and hand-wringing from the liberal press. Kahn, and all other so-called “British citizens” who have chosen to leave this country not just to support one of the vilest regimes in history but also to use their experience there to attack, to maim, to kill people of all ages, religions (including Muslims) and backgrounds in countries they dislike, are legitimate targets for execution. I believe this to have a moral justification, as your leader practically concedes (“it has to be said that the relationship between Britain and IS is a war in all but name, and killing enemy soldiers in wartime &helli