Cruise ship Outside my stateroom window, the big, heavy tub is churning the Caribbean into a frothy white that is absorbed by the inky swells of the vast sea. I watch, then turn to read the card that was hanging on the bathroom towel rack: “At Smooth Sailing Lines (real name unimportant), reducing waste and conserving resources such as water and electricity, (why the comma?) is a large part of the company’s Save the Waves program.” The cruise customer is urged to reuse the to