I had the same question you did about flooding at Hannibal that you did after seeing a CNN report yesterday (July 4) morning. They said nothing about the museum or the other Twain buildings which interest me. NBC Nightly News answered the question today. A levee has kept flooding from the museum and businesses in the heart of downtown. Some residents are understandably angry that the levee could protect buildings there and not in their neighborhoods; but one official said that the levee was too expensive even for the area it covered and could not possibly be extended. Life on the Mississippi is apparently just as interesting as it was in Twain's time. David Tomlinson