The federal government has no single rule barring recipients of taxpayer-funded research from working with entities on U.S. national security blacklists, despite investigations involving Chinese defense-linked institutions and tens of millions of dollars recovered or protected through agency enforcement. The House Select Committee on the Chinese Communist Party pressed for a government-wide prohibition during a July 15 hearing with research-security officials from the National Science Foundation, the Department of Energy, and the National Institutes of Health. Committee Chairman John Moolenaar (R-Mich.) and Sen. Jim Banks (R-Ind.) introduced legislation in May that would prohibit universities, national laboratories, and other recipients from using federal research money to collaborate with people or institutions on designated restricted lists....