Coast Guard Station Charleston 45-foot Response Boat-Medium File Photo CHARLESTON, S.C. — Coast Guard crews medevaced a 50-year-old male crewmember Sunday 19 miles east of Charleston. A crewmember of the cargo vessel Pacific Pearl was experiencing signs of high blood pressure. Coast Guard Sector Charleston watchstanders were notified of the crewmembers condition at 6 p.m. and launched a Coast Guard...