While education always has been part of the Smithsonian's mission, developing materials specifically for classrooms became more prevalent after World War II, said William Walker, a State University of New York, Oneonta, professor who has researched the Smithsonian’s history.
White House's review of Smithsonian content could reach into classrooms nationwide
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"Why is there such a concern about proximity to the Capitol? We hadn't had that before," he said.
GOP questions watchdog's report on National Guard response to Jan. 6
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