Chris Crolley wears a long, grey, shirt only those who work in the sun instinctively know to wear. His blue eyes reflect some of the button-up’s hue, as he looks out beneath his worn, woven hat with a small, winged pin. He knows what makes tourists and locals alike go “ahhh”. He’s been giving tours of Mount Pleasant’s Shem Creek for 30 years. “That’s the Atlantic, bottle nosed dolphin,” he says. The president of Coastal Expeditions knows the wildlife; dolphins, manatees, sea turtles, as well as