Museum director Nathan Dowell stands next to the actual prop house seen twisting in a tornado in the 1939 film as it hangs suspended in a glass case at the Land of Oz museum in Liberal, Kansas. [David Condos/Kansas News Service]
By David Condos Kansas News Service LIBERAL — Kansans know the joke. Almost too well. “Someone hears you’re from Kansas … and they’re like, ‘Oh,…