ITHACA, N.Y. — A 21-year-old Cornell University student was arrested on Tuesday for posting threats online against Jewish students at the university over the weekend, the Department of Justice said. Patrick Dai, a junior at Cornell University who is originally from Pittsford, New York, was arrested on a "federal criminal complaint charging him with posting threats to kill or injure another using interstate communications," according to the Justice Department. If convicted, Dai faces up to five years in prison, a fine of up to $250,000 and a term of supervised release of up to 3 years. Dai is expected to...