From 1939, Lindbergh added his voice to the anti-intervention movement, starting with historically based, closely argued radio broadcasts and then speeches at the large AFC rallies later. Washington’s Smithsonian Institution was now revisiting Lindbergh, and although they had proudly used Lindbergh’s plane Spirit of St Louis as their star exhibit since 1928, they had now deserted him. [2] The Minnesota Historical Society, also with long-standing links to the Lindbergh heritage, also turned to him and answered inquiries about Lindbergh by directing them mainly to the Roth novel and the television program based on it.