About an hour after a shooting inside the venue hosting the White House Correspondents’ Association dinner, President Donald Trump — who attended and was quickly evacuated — said the incident showed why the White House should have its own secure ballroom. Ignoring standard procedures such as seeking approval from the National Capital Planning Commission, Trump has moved forward with construction of a 90,000-square-foot structure on what had been the East Wing of the White House, which he bulldozed last year. He has  said  the ballroom is being privately financed with $400 million in donations. At a White House press conference April 25 after the correspondents’ dinner was postponed due to the shooting, Trump  said , “We need the ballroom.” The following morning, Trump reiterated the point in a  Truth Social post : “This event would never have happened with the Militarily Top Secret Ballroom currently under construction at the White House.…