The popular uprisings in the Middle East, which began at the end of last year, continue to grip countries across the region.  Though the outcomes of the protests have varied, from country to country the protesters for the most part have used a similar set of tactics.  What few people realize is that the philosophical underpinnings for these tactics can be traced to a 93-year-old retired professor, in Boston, Massachusetts. Suli Yi and Fang Zheng, of VOA’s Mandarin Service, have more on the story.