Smoke the donkey, beloved Marine mascot and wounded warrior therapy animal passed away last night of natural causes, according to his Facebook page. After a harrowing, years-long journey that took him from the desert of Iraq to Nebraska via Kurdistan, Turkey, Germany and the glitz and glamor of New York, Smoke the Donkey has moved on to greener pastures. He was first adopted by the Marines of 1st Combat Logistics Battalion out of Camp Pendleton, Calif., in 2008 as a moral booster after they found him wandering injured at Camp Taqaddum near Fallujah, Iraq. A sergeant caught him roaming the…