By THE STAR STAFF The U.S. Coast Guard on Monday approved the final plan to remove the barge Defiant, which has been grounded since Feb. 9 on the rocks off Castillo San Felipe del Morro, at the entrance to the port of San Juan. “Our operational priority is to protect the maritime transportation system and ensure that the channel remains safe and open,” said Lt. Cmdr. Ray López in a written statement. The removal will take place during high tide, once logistical arrangements are complete and...