Xu Xin’s film “Dao Lu” (China 2012) offers an exclusive “in camera” encounter with Zheng Yan, an 83 year-old veteran of the Chinese Red Army, who calmly relates how he has navigated his country’s turbulent history over three-quarters of a century.Born to a wealthy family in a foreign concession, Yan joined the Chinese Communist Party (CCP) in 1941 because he sincerely believed in the socialist project, and in its immediate capacity to free China from the Japanese yoke and eradicate deep-rooted corruption.