CHICAGO , 2016-Jul-04 — /EPR Retail News/ — Potbelly Sandwich Shop will open its doors at 1240 Carl D. Silver Parkway, Fredericksburg, Tuesday, July 8. This will give area residents the chance to experience the lively, neighborhood hangout that makes Potbelly Sandwich Shop “The Best Place for Lunch.” Desirae Mills is the general manager and has been…