Photo: Sundance Institute Can a doodle also be a masterpiece? Maybe it’s not fair to call Peter Hujar’s Day a doodle, though Ira Sachs’s film, clocking in at 76 minutes, wears its modesty on its sleeve. Consisting of a conversation between two people in an East Village apartment, filmed austerely but evocatively, the picture revels in its spareness, its warm simplicity. It starts off as an elevation of the quotidian but transforms into something sadder and more reflective. The film is a re-