By Denny Dyroff, Entertainment Editor, The Times Alejandro Escovedo This weekend, the annual Mushroom Festival in downtown Kennett Square (http://mushroomfestival.org) is celebrating its 33rd anniversary. The Mushroom Festival will run from September 8-10 at various locations in downtown Kennett Square. A musical highlight will be a live performance by Alejandro Escovedo with Don Antonio on Saturday...