a new report finds tornado warnings went unheeded in joplin, missouri, earlier this year so how can thingss the system need to change? goss the reaction of folks on the ground need to change? we'll take a closer look at that. and also it turns out -- i hope you're sitting down -- men and women see relationships differently. >> what? >> no way. >> i know. [ laughter ] >> the rules are changing. we'll look at some of the new rules especially in this facebook world. >> maybe the better question, do they see anything in the same way? [ laughter ] >> no. that's the answer to that. >> erica, have a good show. >> keep it interesting. >> exactly. >> erica hill, 7:00 coming up. >>> well, coming up, two cal grads in iran could be released. we'll have the latest on the hikers' imminent release and where they are going next coming up. ,,,,,,,,,, -dad, why are you getting that? -that's my cereal. is there a prize in there? oh, there's a prize, all right. is it a robot? no. is it a jet plane? nope. is it a dinosaur? [ laughs ] [ male announcer ] inside every box of heart healthy cheerios are those great