CORPUS CHRISTI, Texas — The Coast Guard is responding to a collision between a mobile offshore drilling unit and a tanker vessel Wednesday, near Port Aransas. Watchstanders at Coast Guard Sector Corpus Christi received a report at 7:25 a.m., that the Rowan EXL-1, a mobile offshore drilling unit, and the 750-foot tanker vessel FR8 Pride had collided in the Aransas Channel, near buoy 3. The FR8 Pride...