free of flying. >> greg: you don't buy the theory? >> bob: no, it's ridiculous. there has to be regulations. a lot of places i played, the playgrounds the ones i was allowed into were terrible. people got hurt there a lot. i'd like to see regulations to make sure it stays up. but the idea that somehow this is causing kids to be neurorattic, if that was the case, dan except for her, the playground would be afraid of them. >> dana: so i was a gymnast when i was little. i was pretty good. i could, i would do these flips on, off of the -- i remember this metal thin bar. the ground was gravel. i know my mom used to sit there, the first couple of times she was like uh! i did it and it was fine. i scraped my hands a couple times but not a big deal. >> bob: not up in the air? daps if i look now it might not seem that tall but back then -- >> greg: how long were you a gymnast?