Wahl was covering his eighth World Cup. He wrote Monday that he had visited a hospital while in Qatar. “My body finally broke down on me. Three weeks of little sleep, high stress and lots of work can do that to you,” Wahl wrote. “What had been a cold over the last 10 days turned into something more severe on the night of the USA-Netherlands game, and I could feel my upper chest take on a new level of pressure and discomfort. I didn’t have Covid (I test regularly here), but I went into the medical clinic at the main...