The HoR controls the country's purse strings. If McCarthy had any balls (he doesn't) he'd declare the $1.7T Omnibus package DOA in the next Congress and refuse to spend a single penny of it, period. Refuse to write the check.
That's the biggest negotiating power McCarthy has right now. Any chances he'll do what I just said?
NOT A CHANCE IN HELL.
This is why I am hoping that Steve Scalise becomes the next speaker.