By Tenzin Dharpo DHARAMSHALA, Dec.1: The head of the exile Tibetan polity and President of the exile Tibetan government Penpa Tsering has expressed gratitude to Boston Celtics center Enes Kanter for his “resolute stand for human rights and freedom” in support of those oppressed under Chinese rule including Tibetans. In a letter dated November 23, the Sikyong (President) wrote, “I