Jefferson and the Gun-MenBy: M. R. Montgomery Contrary to popular opinion, the opening of the American frontier was not a simple land purchase; it was actually a hardscrabble fight. Even as Meriwether Lewis and William Clark set out on their legendary journey to the Pacific Ocean, other forces were taking the measure of the land with far darker ambitions. Aaron Burr, the charming and treacherous former vice president, determined that if he could not be master of his nation,