This week marks #YomHaShoah -- #HolocaustMemorialDay. The lessons of evil and how we respond to evil remain as relevant as ever. Who knew a trip to New York could be so emotional? I didn’t want to go in the first place. As my 92-year-old student likes to quote: Travelling is for peasants. But my wife convinced me with simple arithmetic. Four tickets to bring three kids and son-in-law home or two tickets to visit them. No-brainer. So I went grudgingly, confirming in the end t