Just a day after another federal appeals court blocked Biden's new student loan program, the high court agreed to hear arguments in February, with a decision expected by June.

Justice Amy Coney Barrett issued the denial without comment one day after a group of Wisconsin taxpayers filed the appeal challenging the plan.

In an emergency request, a group of Wisconsin taxpayers has filed a lawsuit challenging the plan days after the administration began accepting applications.

"The question before us is not how to respond to the pandemic, but who holds the power to do so," the justices said.

It was clear that a chasm existed between the court's conservative and liberal wings over OSHA's authority to issue the rule.

Justices will see disagreement within the business community and within labor unions on potential effects of the employer vaccinate-or-test rule.

The issue of severability didn't even come up, as the justices found the Republican-led states questioning the law do not have the right to challenge it.

Donald Verrilli, the former Obama-era solicitor general who successfully defended the ACA at its inception, will come to its aid once again.