Ethel Merman in her heyday. What more do you need to know? Merman didn’t make a lot of movies, so here’s a glimpse at what theatre audiences saw during her long Broadway career. Also along for the Irving Berlin musical are Donald O’Connor, Dan Dailey, Johnnie Ray and Mitzi Gaynor. And, um, who’s that other blonde person? Marilyn Monroe is here, too. Thanks to my panelists, Matthew and David for suggesting it....