MOUNT PLEASANT, S.C. (WCBD) – It was a four-mile walk from Charleston, over the Arthur Ravenel Jr. Bridge, and into Mount Pleasant, and every step of the way was in remembrance of the lives lost on September 11, 2001. Firefighters, police officers, first responders, and many others from across the state participated in a 9/11 Silent Walk on the bridge Wednesday morning culminating in a special ceremony at Patriots Point. “It means a lot,” said …