At My Parents’ Anniversary Party, One Insult—and One Letter—Changed Everything

bring me pages and say things like, “Did you know some people don’t have clean water to drink?” or “Why don’t we build more filters like this one?”

One afternoon, about a year before the anniversary party, she came home from school practically vibrating with excitement.

“Mom, I want to build something,” she said, dropping her backpack by the door and continue reading …