Ed Schmidt in "Edward," pre-show (Photo by Sophie Blackall) “Edward,” a new play by Ed Schmidt, is a singular experience. This much is clear immediately when you choose which evening to attend; each performance happens at a different private residence in various affluent Los Angeles neighborhoods. The peculiarities continue once you arrive. A stoic usher greets you at the front door before inviting you to inspect 27 items on the dining room table that a man named Edward purpo