Foreign-born researchers working for U.S. agencies were secretly on China’s payroll, signing side agreements to send sensitive research to that country as part of a recruitment operation called the Thousand Talents Plan, a Senate report found. 10,000 Chinese nationals in 2018 conducted research in the Department of Energy’s National Labs, and one even had colleagues write him letters of recommendation to the Communist Party-run recruitment program, the bipartisan report stated. Agencies like NIH do not even track attempted foreign influence, the Department of State denies only 5% of suspicious visas, and the FBI shut down a key program, according to...