Bad Bunny delivered a pointed message in Spanish to millions of Americans watching the Super Bowl on Sunday night: "We're still here." In a history-making halftime show performed almost entirely in Spanish, the Puerto Rican star paid tribute to his heritage and the many countries—from Brazil to Mexico—whose people have come to shape the modern-day U.S. Just a week ago, Bad Bunny denounced Immigration and Customs Enforcement while accepting a Grammy award, stoking further political furor from conservatives ahead of the Super Bowl. But on the halftime stage, he offered up a buoyant celebration of Latino culture...