“One Child Nation” (2019). Cast: Nanfu Wang, Brian Stuy, Longlan Stuy, Tunde Wang, Peng Wang, Huaru Tuan, Zhihao Wang, Shuqin Jiang, Zaodi Wang, Zhimei Wang, Jiaoming Pang. Directors: Nanfu Wang and Zhang Lynn. Web site. Trailer. It’s all too easy to become so focused on what we want that we may fail to think things through. What’s more, the ante for this can get significantly upped when we examine the ramifications for taking no action. Now imagine what can happen when such a scenario unfolds on a national scale. Under such circumstances, there may be a tendency to act rashly, something that can have dire consequences, a situation detailed in the compelling new documentary, “One Child Nation.” Chinese-born filmmaker Nanfu [...]