CORPUS CHRISTI, Texas — The Coast Guard will oversee a salvage operation Sunday, to remove a Mexican shrimper that ran aground on South Padre Island while attempting to seek refuge from Tropical Storm Dolly. The 67-foot Mexican shrimper Jackie C was one of nearly 70 Mexican vessels seeking safe harbor in the Port of Brownsville from Tropical Storm Dolly. They ran aground around 9 p.m. Tuesday night. The...