trump can shoot it down by simply ignoring it himself, referring any inquires to his lawyers
or he could just tweet “I’ve done nothing wrong, nobody has shown I’m doing anything wrong, and all these idiots who are claiming otherwise can GTH! Its offensive to me.. but far more importantly, its offensive to the American voters that these media and leftwing political operatives have been lying 24/7 to all of us. But, our republic is much stronger than all of that. Now then, I have work to do, work to MAGA, work that the American people elected me to do. End of discussion.”
or something shorter and pithier, as is his style
oh yes, DJT needs to stop tweeting against his AG and just order Sessions to fire the Mueller/Rosenstein witch hunt cabal. If Sessions balks, fire Sessions and hire and AG or acting AG who will do it. Its all up to PDJT as I see it