late night is off the air because of the strikes.  for more information maybe try:

https://www.hollywoodreporter.com/t/writers-strike/

or

https://www.hollywoodreporter.com/tv/tv-news/writers-guild-to-meet-with-showrunners-on-friday-as-strike-enters-20th-week-1235588699/

or

https://www.hollywoodreporter.com/t/actors-strike/