A 38-year-old man was brutally stabbed to death during Friday morning’s rush hour at the Brooklyn Bridge-City Hall/Chambers Street subway station in Lower Manhattan, marking yet another violent incident in New York City’s transit system. The attack, which occurred just after 8:30 a.m. on the southbound 4, 5, and 6 train platform, left the victim with multiple stab wounds to the torso, leading to his…