President Donald Trump’s appointees to the federal planning commission that controls the fate of his White House ballroom project are not legally qualified to serve, critics say — raising the possibility of a court challenge. The federal law governing the National Capital Planning Commission requires that commissioners have “experience in city or regional planning.” Appointees have traditionally been professionals in planning, architecture or historic preservation. In the case of the planning commission, the appointments could expose its decisions, including any vote on the ballroom project, to legal challenges. Blair rose to power by leading Trump’s 2024 election campaign, which earned him a job as White House deputy chief of staff. They spoke about the need for a White House ballroom but not the details of the proposal before them.