Let’s Talk There’s a swelling social movement to encourage all of us to discuss and document our preferences for care as the end of life approaches. To help spark what can be a difficult conversation, several groups now offer online advance care planning tools, some with catchy titles to allay fear. There’s the Go Wish Game , a card game that prompts you to identify how you want to be treated in the event of a life-threatening illness. There’s also “ Death Over Dinner ,” an “interactive adventure” that helps you plan a dinner party at which guests talk about…