Texans planning to travel to Mexico or currently visiting there are urged to closely follow warnings from the U.S. Department of State, which advises U.S. citizens to not travel to the states of Colima, Guerrero, Michoacan, Sinaloa and Tamaulipas. Travelers to other states in Mexico are urged to either reconsider or at least exercise increased caution. This comes after violence broke out in Jalisco following the death of a cartel leader in a gunfight with Mexican authorities.Gov. Greg Abbott has directed the Texas Department of Public Safety to increase security along the border region.“Mexican drug cartels pose a significant threat ...