By Neil Bennett Where the City’s movers and shakers get a few things off their chest. Today, Neil Bennett, global co-CEO of H/Advisors, takes the notebook pen to talk about common sense, Dominic Grieve and his own idea for national service The skill that can’t be taughtAt school, I had an austere but bright-eyed maths teacher called Mrs Macquarie. As well as the delights of matrices and quadratic equations, she gave me an invaluable lesson in common sense. “Once you’ve done the sum and reached the answer,” she would say, “take a moment to see if it looks right. If it doesn’t, go through the wo…