In the distance, Miami's glass towers twinkle faintly, hovering above the opalescent waters of Biscayne Bay. Here, at a closely guarded azimuth, slight waves slap against a 25-foot Boston Whaler. "Look closely," Brenda Lanzendorf says as she points from the bow, her grin spreading wide the crow's feet around her eyes. Sure enough, there they are, just below the surface, hulking shadows undulating with the gentle current:... More >>>