some parishes had 90 minutes to evacuate and get everything they held near and dear to their hearts. >> a potential dam break, keeping an eye on that as the recovery continues, months before some of the people are able to get back into their homes. also this half-hour, a moment etched in our memories, the death of princess diana. believe it or not, 15 years ago today. we'll take a look back at the event that certainly stunned the world. >> i think everybody remembers where they were the moment that princess diana was killed. >> we were in paris, a few weeks ago. part of the tour, they showed you the hotel where she spent her last night and the tunnel where the car crashed, chased by a paparazzi. very vivid, yeah. what would a political convention be without the balloons? we'll meet the man who makes the big balloon drops happen. tying every single balloon by