In a nation where the past is always contested ground, President Trump has extended executive authority into the halls of memory itself, ordering the Smithsonian's National Museum of American History to post warning signs on exhibits his administration deems ideologically driven. The order, signed in late July 2025, follows a commissioned report accusing the museum of embedding social justice themes into what the administration believes should be a unified, celebratory national story. At stake is a question as old as public history itself: who holds the authority to decide what a nation rememb