National security remains DonaldTrump’s secret weapon. He has used it time and again to advance his pet projects and demolish his pet peeves from windmills to ‘fake news’ posing inconvenient questions and scooping embarrassing leaks. Washington is under siege. From rude reporters to pesky judges to ‘dum(b)’ lawmakers. And that headless Iranian regime that refuses to surrender despite threats of annihilation.But worry not. The commander-in-chief has monumental plans to make America safe again with drones, snipers and a whole lotta bang bangs stashed here there and everywhere across the town.His controversial fancy new $400 million ballroom, now coming up fast…