By The New York Times March 28, 2012 9:28 am March 28, 2012 9:28 am Tibetan exile Jamphel Yeshi, who set himself alight on Monday in New Delhi and died on Wednesday, left a letter behind which seems to be an attempt to explain his actions. “The fact that Tibetan people are setting themselves on fire in this 21st century is to let the world know about their suffering, and to tell the world about th