CHATHAM, Mass. (AP) — There’s no ominous music, no telltale fin breaking the surface as the powerful silhouette of a great white shark glides alongside the small tour boat off Cape Cod in Massachusetts. Michael Simard crouches low and points a finger in the direction of the roughly 10-foot (3-meter) predator cruising in the glassy water below. The 48-year-old construction foreman from Cambridge, Massachusetts, glances back at his partner, Penny Antonoglou, who dutifully pulls out her smartphone while he holds the pose. Smile. Click. “It’s awe-inspiring, really,” Simard said after the tour, where they spotted at least six great whites....