Carney needs to stay out of separatism debate

Tasha Kheiriddin/National Post: Prime Minister John A. Macdonald famously described dealing with provincial leaders as “herding cats.” He was right on the money: like cats, premiers will purr loudly to get what they want but ignore you when it suits them. Or worse, lure you in and scratch you when you least expect it. But MacDonald knew how to cajole them, humour them and get his way, and ultimately triumphed in uniting the country we call Canada…