70 years ago, at the height of the Red Scare, the United States deported Qian Xuesen, a pioneering Chinese-born aerospace engineer. The government accused Qian of being a communist, which he denied. Back in China, Qian continued his work, becoming known as the father of Chinese rocketry and laying the foundations for the nation’s missile and space programs. Former US Under Secretary of the Navy Dan Kimball called Qian’s deportation “the stupidest thing this country ever did.” Now, the Trump