Salt worth dying for in El Paso

Fearing for their lives after the murder of the Mexican political boss, the Anglo residents of El Paso sent for the commander of the Texas Rangers Frontier Battalion on Oct. 24, 1877. At first glance the killing of Luis Cardis looked like nothing more than the violent climax of a particularly nasty personal feud. But in reality the trouble in El Paso was all about salt. Massive formations of…