Looked like a Sherlock Holmes flick in the cul-de-sac this morning: “The Case of the Missing Desert.”

“The game’s afoot, Watson!”

And indeed it is, if the game is “Who’s the dumbest man in the Senate?”

There’s always a thundering herd of whinnying glue-factory candidates in that august stable, but lately it’s a two-up horse’s-ass race between Eric Schmitt (R-Misery) and Tommy “Coach” Tuberville (R-CTE).

Schmitt couldn’t even pull off a “Gotcha!” against Jack Smith without stepping in it up to his flag pin.

But Coach may edge him by a nose — a big red one that honks when you squeeze it — with his charge that the friendly skies are full of furries.

Talk about game. It’s one helluva race when it looks like Ted “I’m Not Just Stupid, I’m Evil Too” Cruz might not even make the podium. It’d have Holmes reaching for the old iron butterfly and his 7-percent solution, craving mental exaltation.