disaster zone. americans who survived the earthquake here, trying to assure their loved ones at home. and good evening from japan tonight where there are two crises unfolding here. first, the recovery efforts continue after the tsunami. the cars were swept down the street in that tsunami. and of course, take a look at this image tonight. one town before the earthquake and tsunami. and this image of it afterward. while all of this unfoldled today, another major headline. a nuclear power plant, an explosion. the wall around one of the reactors exploding. the prime minister trying to urge the people of japan to remain calm, but there was talk about disseminating iodine tablets to children and families here. we have it covered with team coverage on the ground in japan and back in the joous. we begin with new pictures of the tsunami not yet seen. tonight, a first look inside the airport terminal in sendai just as the tsunami rolled in. terrified passengers. as the water engulfed