By Eliot Wilson There’s one substantial, profitable sector where industrial strategy could actually work: Defence. But with some on the left calling for an arms embargo, will the Labour leader look to defence as the driver of growth it could be? Asks Eliot Wilson If you can find solid principles underlying the Labour Party’s economic and industrial policy, they are, as I have argued again and again, fundamentally suspicious of free enterprise. Instead they seem wedded to a grimly reheated dirigisme that would have made French presidents from Pompidou to Mitterand faint with pleasure. The langu…