At his May summit in Beijing, President Trump made an effort to convince Chinese leader Xi Jinping to release Jimmy Lai from his imprisonment in Hong Kong. Jimmy, whom I am honored to call a friend, is a 78-year-old diabetic who has been in solitary confinement some 700 days longer than the United States was engaged in World War II, and is now serving a 20-year sentence for threatening Chinese national security. That conviction has no more legal…