Also: West Chester Restaurant festival serves it up again By Denny Dyroff, Staff Writer, The Times The Calabrese Sisters are just one of a plethora of acts performing at The Jam on The Brandywine, Sept. 20. Circle your calendar for September 20 if you’re looking to attend the Brandywine Valley Association’s annual Jam on the Brandywine (Brandywine Valley Association grounds, Route 842 near Northbrook...