KENNETT SQUARE — The fourth annual Kennett Summerfest will bring an afternoon of regional wine, live music, and culinary experiences to South Broad Street on Sunday, June 8. Organized by the nonprofit Kennett Collaborative, the outdoor festival will feature tastings from 15 Brandywine Valley wineries, along with food vendors, hands-on workshops, artisan makers, and a non-alcoholic beverage garden. Proceeds from …