Several conservative justices suggested they didn't think the government had the authority to impose such sweeping requirements covering millions of employees.

The Supreme Court's conservative majority signaled Friday that it is unlikely to allow the Biden administration to enforce a sweeping rule intended to help stop the spread of Covid in the nation's workplaces.

The court heard more than three hours of argument, including fierce opposition from the court’s liberal flank, in an unusual session to take up emergency appeals involving federal vaccine or testing requirements for large employers and the vaccine mandate for some health care workers — rules that would affect as many as 100 million workers.

Several of the court's conservatives suggested they did not believe federal law gave the government the authority to impose such a broad requirement covering millions of private employees.... Read More: NBC News