While we were trying to figure out what people dinner would be, we heard the somewhat familiar sound of a feline landscaping crew in the kitchen. Using any excuse to defer the dinner question, we both broke for the kitchen to see who was covering what up.
Answer: Billy was covering up that he missed the litter box and put a lake on the floor.
Katherine handled the inside cleanup while I took the dirty mat outside and hosed it down.
As usual, the hardest part was keeping the boys from helping to finish bury the evidence outside the box ...