By Denny Dyroff, Entertainment Editor, The Times The Chaddsford Winery (Route 1, Chadds Ford, 610-388-6221, www.chaddsford.com) is presenting its annual “Sangria Festival” this weekend – from noon-7 p.m. on August 21 and noon-6 p.m. on August 22. Sangria specials take over Chaddsford for one weekend only. Visitors will find White Sangria, Sangria, and a Mango Sangria Wine Popsicle featured...