In today's Times three top military brass including Field Marshall Lord Bramall and two retired generals - write that Trident is - to summarise - dangerous, expensive and useless. "Our independent deterrent has become virtually irrelevant except in the context of domestic politics," they write. This is the fundamental political point, but Labour and the Tories cannot deliver sensible policy because they are trapped in their self-imposed imperative to talk tough. Outside the Palace of Westminster reality has broken through. Inside, when will it? Which party will be first to break ranks and acknowledge the facts? Lib Dem MPs, are you listening? Read, read!