‘It Ends’: Is Alexander Ullom the Next Great Horror Director?

Alexander Ullom is dog-tired. The reason why the 28-year-old filmmaker looks “like a fuckin’ mess,” as he puts it, is because he wrapped principal photography on his sophomore movie, “4 x 4: The Event” — which he describes as “balls-to-the-wall gore and violence” — two days ago, jetted to Los Angeles and was parachuted into…