On Thursday, Juan Zuluaga, 26, was arrested at the SF Zoo following a run-in with a rhinoceros. It seems, according to the Chron, that Zuluaga was busted for throwing acorns at Mashaki, a black rhino: Police said they were summoned to the zoo at 3:30 p.m. Thursday after a patron reported to officials that Zuluaga was picking acorns off a branch and tossing them at the black rhino, a male named Mashaki. Zuluaga was......