corporate funding is provided by mutual of america designing customized individual and group retirement products. that s why we re your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. sreenivasan: good evening, and thanks for joining us. seven american sailors remain unaccounted for, following a pre-dawn collision between their ship and a container ship off the coast of japan. it happened in clear weather, but under darkness, 65 miles southwest of yokosuka, when the guided missile destroyer u.s.s. fitzgerald collided with a commercial container ship four times its size. the navy says the fitzgerald suffered significant damage on its right side, including the section where some of the 270-member crew had been asleep. the navy pumped out water that flooded the shi