When a cruise ship’s impact killed a whale, dragging the carcass into the harbor of a small Alaskan port town, residents decided to hold a memorial. And it’s getting national attention. On Friday, June 19, the Royal Caribbean’s Ovation of the Seas, a 4,900-passenger cruise ship, was approaching the port in Seward, Alaska. It arrived with a dead 61-foot fin whale draped across the bulbous bow. The National Oceanic and Atmospheric Administration (…