As World Cup fever takes hold, commercials become more patriotic, the U.S. national team jerseys suddenly appear on the backs of influencers, and a few outlets inevitably dust off the “monthlong Super Bowl” take. All of which is magnified this summer as the U.S.

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily.As her older siblings prepare breakfast, 13-year-old Cynthia Perez waits at the kitchen table, not very hungry. “I’m nervous,” she tells her mom’s friend Mariana Blanco, who...