Those looking forward to seeing the Mister Rogers set reconstructed in ‘Studio A’ (newly christened “Fred Rogers Studio”) will have to wait indefinitely for the event.  An open house was to be held later this summer with the Neighborhood of Make-Believe reconstructed as it would be for taping. WQED Spokeswoman Rosemary Martinelli told Rob Owen that WQED hopes to reschedule the event for a later time. ‘QED was unable to confirm a sponsor in time for the event.