The scariest aspect of the sci-fi-horror comedy Y2K, for me, is that it’s a period piece, set on the last day of 1999 and the first day of 2000. Almost twenty-five years ago. When I was 38. Nostalgia has moved into periods when I was already hitting middle age. Directed by Saturday Night Live alumnus Kyle Mooney, from a script he wrote with Evan Winter, the film starts like a standard teen comedy. Nerdy Eli...