Here's thoughtful refresher course reading from Michael Parenti, American iconoclast on the TIBET MYTH and its feudal past under the Lamas and Theocrats, many of whom are now on exile in Dharamsala, India:
http://www.michaelparenti.org/Tibet.html
Wiki Mr. Parenti through Wikipedia below, especially on his critique about the misleading distortions of the U.S. media "western news media, travel books, novels, and Hollywood films which have portrayed the Tibetan theocracy as a veritable Shangri-La" and in his expose "The Tibet Myth" goes on to detail what he feels were its negative aspects :
http://en.wikipedia.org/wiki/Michael_Parenti