Among the world’s most inspiring business voices is Ren Zhengfei, founder-philosopher of Huawei, the disruptive and now condemned Chinese telecom-equipment company. Vilified as a cat’s-paw of the Chinese government, Mr. Ren has decided to place his trust in America’s legal system and launch a court challenge to the U.S. government’s campaign against his company—and family. His daughter, Huawei chief financial officer Meng Wanzhou, is fighting extradition to the U.S. from Canada on murky charges that she helped financial institutions violate American sanctions on Iran. She has been under house arrest in Vancouver, British...