NEW YORK (AP) — A Live Nation Entertainment ticketing employee testified Tuesday at the company’s antitrust trial that his private instant messages were “very immature and unacceptable” several years ago when he told a coworker some customers were “so stupid” and boasted of “robbing them blind, baby.” Benjamin Baker, head of ticketing for Venue Nation, which includes the company’s amphitheaters, became a key witness in claims over 30 states are pressing against the concert promotion and