The Trump administration has directed some National Park Service sites to remove or alter materials about slavery and Native Americans, following an executive order urging history to “focus on the greatness of the achievements and progress of the American people.” Gateway Arch National Park hasn’t seen visible changes so far. In this episode, we revisit a 2023 conversation on interpreting Black history with author Vivian Gibson and historians Cicely Hunter of the Missouri Historical Society and Pam Sanfilippo of Gateway Arch National Park. “St. Louis on the Air” executive producer Alex Heuer also shares what he discovered during a Monday visit to the Old Courthouse and museum under the Arch.