John A. Hays, a private art adviser, former deputy chairman of Christie’s Americas, and “Antiques Roadshow” appraiser, will deliver the Preservation Society of Newport County’s annual John G. Winslow Lecture at Rosecliff on Tuesday, August 11 at 6 p.m. His talk, “The Thrill of the Chase: Collecting Art in Our Time,” will focus on 18th-century […]