Open this photo in gallery: People hold signs calling for China to release Canadian detainees Michael Spavor and Michael Kovrig during an extradition hearing for Huawei Technologies Chief Financial Officer Meng Wanzhou at the B.C. Supreme Court in Vancouver, on March 6, 2019.LINDSEY WASSON/Reuters Peter Humphrey is an external research associate of Harvard University’s Fairbank Center for Chinese Studies who spent nearly five decades as an educator, foreign correspondent and fraud-and-due-diligence investigator focused on China. He was wrongfully detained in China from 2013 to 2015 on a false charge of illegal information gathering, and has since worked as a pro...