President Trump was pretty roundly criticized on social media when he missed a ceremony Sunday at a WWI memorial and cemetery in France. On Tuesday morning he took to Twitter to explain that zero visibility is what kept his helicopter from making the trip.

Comedian Sarah Silverman was not pleased.

Hey, when it comes down to the Secret Service or Sarah Silverman, who are you going to listen to?

Hey, look, an actual helicopter pilot:

And the time President Obama put up barricades around the open-air World War II Memorial on the National Mall … you should have heard her language then.