An easel on the sidewalk suggests a pop-up-style shark museum exhibition hiding on the third floor of one of many historical buildings in the heart of downtown Westerly. A coastal town in Rhode Island, Westerly is known for its sandy shoreline access, world-renowned surf haunts, and sleepy upscale living communities. Rhode Island tracks its shark population using modern tracking technology. The Living Sharks Museum is far ahead of the curve in educating the public on the sharks that populate the waters. Keith Cowley, the museum’s curator, has amassed a collection…