Given the outcome of recent military campaigns in Iraq and Afghanistan, it is pertinent to look for one particular quality in our senior commander: honesty. In other words, after blaming vainglorious politicians for precipitating us into war without adequate preparation or resources, it is reasonable to ask, how capable are our generals of admitting their own mistakes?

Their persistence in two failed strategies — the application of Northern Ireland peace-keeping tactics to Basra and the dispersal of troops among forward posts in Helmand — does not suggest any culture of mea culpa, and ruthless self-examination has not been a distinguishing feature...