Theater 2013-14: Fantasy ‘Old Man, Old Moon’ opens Writers’ season; new home draws near

Ninth in a series of season previews: As artistic director Michael Halberstam began putting together the 2013-14 season at Writers’ Theatre with associate artistic director Stuart Carden, one coincidence seemed too good to be true: Halberstam’s right-hand man had been the teacher, at Carnegie-Mellon University, of an eclectic group of seven buddies called the PigPen Theatre Co., who were the buzz of Greenwich Village for their folksy fable called “The Old Man and the Old Moon.” The charming off-Broadway saga now comes to Writers’.