DEAR ABBY: My wife and I know a couple whose daughter has been our daughter’s playmate since they were 3 months old. They are pleasant and welcoming. We all get along well and have gone to dinner, ball games and musicals together. However, when we go to their home for a gathering, the father will slip off with a few of his old friends and smoke pot on the back porch while the kids are playing inside. It’s their home, and marijuana is legal in our state. Their daughter’s 4th birthday party took place last weekend, and once again, with ...