“This is my granddaughter—she’s a doctor,” my grandfather told his mates in the pub. I didn’t have the heart to correct him and tell them that I was no longer a real doctor working on the frontline and making crucial decisions. He still refuses to admit that as a journalist I’ve slipped from near godliness to somewhere beneath estate agents (with whom he has newfound sympathy), lawyers, and now bankers on the social scale. Needless to say, he’s not a doctor, and to him medicine is still the ultimate …