Archaeologists helping to excavate the World Trade Center site have uncovered a second piece of the more than 200-year-old ship that was discovered there last summer. The find, made last Friday, came as workers began digging up the east side of the construction area, which once housed the World Trade Center complex... Archaeologists first noticed remnants of the ship -- curved pieces of wood buried 25 feet below street level -- last July and spent two weeks excavating the artifact, which turned out to be a 32-foot-long section of the boat's hull. The piece that was found last Friday belongs...