“I want to figure out if there’s a way to make my gratitude useful to the people on the chain,” I say to Julie. “If you really want to feel like you’re making a difference,” Julie says, “you could give up coffee for a year and donate the money you save to charity.” Abstaining from coffee for a year? It’s a solid idea. It also fills me with dread. Should I abandon my beloved daily beverage ritual? I
