Columbia University protesters seen breaking into Hamilton Hall overnight Columbia University protesters seen breaking into Hamilton Hall overnight 02:54 NEW YORK -- Columbia University says protesters occupied Hamilton Hall early Tuesday -- a building demonstrators took over during anti-Vietnam War protests in 1968. Witnesses said a large group of pro-Palestinian demonstrators gathered outside the hall before a smaller group stormed inside and barricaded themselves with desks, chairs and vending machines. Video showed them using a hammer to break the windows and then locking the doors from the inside, as more protesters cheered them on from outside. In a public safety...