One of the first nostalgic cash-ins to make a pile of money selling Baby Boomers their past, director Randal Kleiser’s 1978 musical rom-com Grease is now old enough to reminisce about itself. Remember when John Travolta was a heartthrob with hit records? Remember when people used to remember who Frankie Avalon is? Local stand-up comics Mike V. Suarez and Joey McCormick are scheduled to provide a live commentary track that will probably make “Look at Me, I’m Sandra Dee” seem like a gentle jest. Yes, Sandy, we are totally making fun of you.