WATERLOO, Iowa — In early 2020, Maple Lanes co-owners Rich and Kathy Eighme took a rare vacation during the bowling season, visiting their son Mitch in Portugal, where he was playing pro basketball. They spent a few days in Porto, the second-largest city in Portugal, with Mitch and his girlfriend, who plays pro volleyball in Europe, then on Feb. 4 flew to the Azores, where Mitch lived. “When we landed, I went to baggage claim and all of a sudden, my phone’s blowing up with...