In 1990, the Dalai Lama, who had lived in Exile from Tibet since 1951, began to realize that he and his followers would likely have to spend many years in exile from their home country, and he had a concern:  How does a nation maintain its identity, sustain its way of life, when they are so far from home?  He knew there was one group that had expertise in this area.  So, he called on a group of Jewish leaders to offer him some advice.     Why did Hashem tell us to build a mishkan?  I’m not…