Politics Trump’s Ballroom Wouldn’t Have Prevented the Correspondents’ Dinner Attack. Don’t Tell Republicans in Congress. GOP lawmakers are racing to be the first to introduce “Build the Ballroom” legislation. It’s so very thirsty. Salwan Georges/The Washington Post via Getty Images Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. In the aftermath of the attempted assassination at the White House Correspondents’ Association dinner on Saturday, President Donald Trump had one thing on his mind, the same one thing that is always on his mind. “We need the ballroom,” he told reporters at a hastily organized press conference following the canceled dinner.…