A judge on Tuesday blocked President Joe Biden’s COVID-19 vaccine mandate for federal contractors, finding that Biden likely lacks the authority to force them to get vaccinated. “This is not a case about whether vaccines are effective. They are. Nor is this a case about whether the government, at some level, and in some circumstances, can require citizens to obtain vaccines. It can,” U.S. District Judge Gregory Van Tatenhove, a George W. Bush nominee, wrote in the 29-page order. “The question presented here is narrow. Can the president use congressionally delegated authority to manage the federal procurement of goods and services to impose vaccines on the employees of federal contractors and subcontractors? In all likelihood, the answer to that question is no,” he said. The judge granted a request for a preliminary injunction by the attorneys general of Kentucky, Ohio, and Tennessee. The White House did not immediately respond to …