The U.S. Coast Guard will next week hold a formal public hearing to consider evidence related to the April 2021 capsizing of the liftboat Seacor Power and the death of 13 of its 19 crewmembers in the Gulf of Mexico.The Seacor Power liftboat capsized, April 13, 2021, about seven miles south of Port Fourchon, La., in the Gulf of Mexico with 19 crewmembers aboard. Six crewmembers were initially rescued…