How one cult grocery chain is navigating the great boomer business handover

Roy de la Cruz for BI Stew Leonard Jr. is greeted like a celebrity as he makes his way through his family's business. Known as Connecticut's "Disneyland of grocery stores," Leonard's locations come complete with animatronics, petting zoos, and costumed mascots. Every few feet, a customer does a double-take and rushes over. Mostly, they want to say hello or ask for a selfie. A few have constructive criticism to share. Over by the Stew Leonard's Farm Fresh Five, a band of singing milk cartons, a…