WASHINGTON AREA IN WEEKS AND TOURED A FACE MASK FACTORY IN

ARIZONA.

( SIREN ).

>> SELF-DESTRUCT.

SELF-DESTRUCT.

THIS BUILDING WILL SELF-DESTRUCT IN ONE MINUTE.

TO PREVENT CATASTROPHE, SEEK IMMEDIATE ASSISTANCE.

WHY WOULD HITTING THE SAME BUTTON HELP?

LET SOMEONE WHO KNOWS WHAT THEY'RE DOING SAVE OUR LIVES.

STOP THAT.

CUT IT OUT.

WHILE WE'RE AT IT, WHY AREN'T YOU WEARING A MASK?

SOMEONE GET NED.

THAT WAS CLOSE.

SOMETIMES, IF YOU STEP ASIDE AND ALLOW AN EXPERT TO DO THEIR

JOB...

>> IT'S "A LATE SHOW WITH STEPHEN COLBERT."