It's not even the first time he's done this.
Broadway is making masks optional for audiences in July as several stars test positive for COVID-19.
The Broadway League said masks will be optional in July, but still encourages theater audience members to wear them.
U.S. health officials are restating their recommendation that Americans wear masks on planes, trains and buses, despite a court ruling last month that struck down a national mask mandate on public transportation.
The Department of Justice is appealing a ruling overturning the mask mandate on public transportation.
The mask requirement "remains necessary for the public health," the CDC told the Justice Department.
The "Late Show" host calls out the federal judge who struck down the federal mandate.
The appeal of the federal judge's decision will only happen if the CDC says the mask order is needed beyond May 3, when the mandate was expected to expire.
The White House press secretary said the CDC continues to recommend mask-wearing on airplanes, even as carriers dropped mask requirements.
Somebody get that Fox News reporter some first aid.