Like in the Land of Oz, the only way out of a nightmare is to face your fears — Dorothy: Weren’t you frightened? Wizard of Oz: Frightened? Child, you’re talking to a man who’s laughed in the face of death, sneered at doom, and chuckled at catastrophe… I was petrified. One of the nice things about Six Flags Over Texas in Arlington, TX (near Dallas) is that there are…