It's the Day's Day of Days! Because Columbo and the Murder of a Rock Star.
It says something that Muir imagines that the activities of his cast and the Trump administration are akin to natural forces, and that saying this is just sensible, instead of hubristic.
Then again, he clearly doesn't know much of the actual story of Cnut, who was A) a king, and B) was demonstrating the limits of his power.