The Riddler on a stand-up kind of guy BY HEDY WEISS
The difference between acting and impersonation may be subtle, but it is formidable. What is so impressive about Frank Gorshin's performance in "Say Goodnight, Gracie" -- the 90-minute one-man show about the life and times of comedian George Burns -- is the way the actor manages to so seamlessly fuse both approaches to characterization.