President Trump has taken action regarding the Smithsonian National Museum of American History. An executive order was issued by the president, which involves the installation of signs around the museum.

The signs are intended to serve as a warning to visitors. Further information about this development can be found through KTXS, the local ABC affiliate.

Details about the executive order and the signage are available from the source, providing more context about the president's decision and its implications for the museum and its visitors.