WASHINGTON (AP) — The old, bent trumpet is dripping with water as Shanna Daniel lifts it from its basin in the conservation lab at the Washington Navy Yard. Daniel, in a white lab coat and lavender rubber gloves, rests it on a layer of hard foam and lowers a magnifying light over it. The trumpet arrived at the lab 21/2 years ago, handed over by an Australian diver who found it in the wreck of the USS Houston, a World War II cruiser, off the coast of Java in Southeast Asia. The Houston, which had been President Franklin D.