Let's face it. If you aren't wearing a mask hearing President Biden say 'wear a mask' won't persuade you. Nor are you likely to wear a mask because the CDC and the Ad Council have superimposed masks on movie characters.
They did it anyway.
Polls suggest almost 90-percent of Americans are wearing a mask. A new study is out though wearing two masks is better. This is another study where they used mannequins in place of actual humans though. Either way, the new phrase will be Double Mask Up America.