Also: 74th annual Dogwood Festival in Phoenixville By Denny Dyroff, Staff Writer, The Times The 24th annual Willowdale Steeplechase is Sunday, races, tailgating competition and, of course, those hats. The Brandywine Valley is horse country and the 2016 equestrian season is already underway. The 24th Annual Willowdale Steeplechase (Steeplechase grounds, routes 82 and 926, Unionville, 610-444-1582,...