AdvertisementKen Burns Says U.S. Has 3 Viruses: COVID-19, White Supremacy And MisinformationJanuary 19, 2021Rachel MartinfacebookEmailFilmmaker Ken Burns says America is "defined as much by our challenges and the dark moments as we are by our successes." You can explore U.S. history in scenes selected from more than 40 documentaries at Burns' UNUM site. Above, the sun rises behind the U.S. Capitol in Washington. (Getty Images)