The legend of Davy Crockett, the buckskin-clad 'King of the Wild Frontier,' has been cast into doubt by new claims that his fabled last stand at the Alamo may have only lasted 20 minutes. For 175 years, the Battle of the Alamo has been one of America's most cherished historical events. Celebrated in song, story and cinema, the story of heroism against all the odds helped define the young nation's pursuit of liberty. But, according to a new book, the brave last stand depicted by Hollywood stars like John Wayne was a myth. In reality, author Phillip Thomas Tucker claimed...