Protesters at Columbia University face deadline to reach agreement with school Protesters at Columbia University face deadline to reach agreement with school 03:55 NEW YORK -- A group representing pro-Palestinian protesters at Columbia University claims the school has threatened to request that National Guard troops and New York Police Department officers be deployed to get demonstrators to break up their encampment on campus. The assertion was among a series of apparently conflicting statements by the school and demonstrators about the status of talks between the university and protesters and about a deadline set by the school. On Tuesday, university President...