The Supreme Court has blocked President Biden's vaccine mandate for large employers, but a vaccination requirement still stands for millions of health care workers. Will the rule push employees out of an already-strapped health care system? And members of the far-right Oath Keepers militia are now facing sedition charges for participating in the Jan. 6 attack on the Capitol. Why is the Justice Department coming down hard on them and not other rioters? Plus, Australia has revoked tennis star Novak Djokovic's visa again over his vaccination status. Can he appeal in time to compete in the Australian Open?