Hussong's Cantina is the oldest and best known cantina in Baja California, Mexico. The original Hussong's is located in Ensenada, Baja California, Mexico, and was established in 1892. The second Hussong's Cantina opened in Las Vegas, Nevada, in January 2010. Hussong's is reputedly the place where the Margarita was created in October 1941 by bartender Don Carlos Orozco. He concocted a mixture of equal parts tequila, damiana (Cointreau is used now) and lime, served over ice in a salt-rimmed glas…