WASHINGTON — The Supreme Court says it will hold a special session in just over two weeks to weigh challenges to two Biden administration policies covering vaccine requirements for millions of workers, policies that affect large employers and health care workers.The high court’s announcement Wednesday that it will hear arguments in the cases Jan. 7 comes amid rising coronavirus cases and is an extraordinarily fast timeline. The court had not been scheduled to hear cases again until Jan. 10.A three-judge panel of the 6th U …