Knife-wielding maniac goes on random NYC stabbing spree, leaving 2 men dead and one woman critical

Two men were killed and a woman was critically injured by a knife-wielding maniac who went on a random stabbing spree in Manhattan Monday morning, cops and sources said. The sickening spree began around 8:20 a.m. when the 51-year-old killer approached a 30-year-old man on West 19th Street near Eighth Avenue and knifed him in...