Friday on the Porch

   Tomorrow, the Sag Harbor Historical Society will hold its Fridays on the Porch with Rebecca Radin of the Parrish Art Museum. She will speak at the Annie Cooper Boyd House about William Merritt Chase’s Shinnecock Hills Summer School of Art and its influence on Boyd’s art. The talk and a wine and hors d’oeuvres reception will begin at 5 p.m.