moment the gate opens to let some people escape gaza, among them americans. and some of the critically injured. plus, the heavy battles in northern gaza as the largest refugee camp is hit with another air strike. an engineering student at cornell university is under arrest, accused of threatening to kill jewish students as anti-semitic threats rise here in the u.s. despite an arrest having been made over the violent threats, students are still concerned about their safety and speech. norah: the scary details after a delta copilot is accused of threatening the pilot with a gun that he had in the cockpit. why he was allowed to have the weapon on the plane. welcome to novem-brr. norah: it is starting to feel like winter a bit too early. we have the frigid forecast. breaking news: legendary basketball coach bobby knight has died. a look at his legacy. school s out for tens of thousands of students in portland, as teachers go on strike. what they re demanding. portland p