May was a month of institutions under pressure—and of people trying to decide what still deserves their faith. A fast-food icon fought to prove it still has a future. Women who exposed China's repression found themselves targeted with a new and deeply personal form of digital abuse. Adults who chose not to have children looked back from midlife with a message for those who assume regret is inevitable. Britain’s pageantry masked a country wrestling with decline. Ukraine found signs of momentum against Russia. And in Cuba, young people looked toward the Stars and Stripes in ways that reveal a profound...