My husband says his favorite movie is "Field of Dreams," but it's really the John Travolta version of "Hairspray." I know this in my heart. When my husband first saw "Hairspray" -- on a flight to Singapore -- he watched alone, and he was so moved, he immediately went back to the beginning and watched a second time. There is so much ebullience in this musical, it seems to have been written especially for Marc, and I think the moments that speak most powerfully to him are: "Good Morning, Baltimore!" ...."Welcome to the Sixties!" ...."The Nicest Kids in Town!" ....and "You Can't Stop the Beat!" (I may have added exclamation points where they aren't needed, but something actually tells me they might be there in the script.) Days after a "Hairspray" re-viewing, my husband is still murmuring to me....apropos of nothing...."Why didn't Nikki Blonsky go on to a fabu...