on the roof we find sonoko sato. "it's like a nightmare" she says "with all the aftershocks and warnings, i can't calm down." today good news. there was no tsunami. but no one here will ever forget the day there was. another reason they can't forget these relentless aftershocks. 60 in the last 24 hours, some of them major earthquakes in their own rights. magnitudes 6 and above. katie? >> couric: bill, there are obviously tens of thousands of homeless people in that area. what's being done to help them? >> couric: well, there are city- run shelters, but it's cold here and there's no electricity. water is being rationed, gas is being rationed, and people are starting to ask why in this rich country more isn't being done. katie? >> couric: bill whitaker reporting from sendai, japan tonight, bill, thank you. outside sendai along the coast, many smaller towns and villages exist now in name only. ben tracy shows us how natori, once a thriving farming town, has been turned into a wasteland. >> reporter: more than three days