george howell joins us live from one of the sessions happening now. george, teams and players taking a pretty big risk working out in that kind of heat? >> we are here with the merit high school team on the field for their training camp. it's slightly overcast and we got a breeze and not a bad day to be out here. we learned yesterday they canceled noon day practice because it was way too hot to be out on the field. experts tell us that can be prevented rather that don't have to happen and coaches having a reasonable approach to practices like this and players speaking up when they feel they have reached their limit. i talked to the head coach out here who tells me that holding up a competitive practice does not mean unreasonable. i remember being in athletics and you hear those expressions play through the pain, suck it up. but does that really apply when it comes to 99, 100-degree temperatures? >> well, i think you're limited on how much you can do in those type of situations. we want to try to shorten practices down when we get to those type of situa

and next, let's go to george howell. i'm sure a very warm amp there? gainesville, georgia. it's the hottest time of the day. i don't see any guys in pads yet. where are they? >> the sfootball team is not hee now. so far this year, there have been three heat related deaths due to the heat. so we find coaches practicing early in the morning. >> is there a cutoff temperature where coaches say okay, we're shutting this practice down? what changes should parents demand? >> right, well, it really varies. even the individual school, there's no cutoff. however, we've seen several practices. a lot of these coaches monitor what's called a wet bulb. >> i'm sorry, they monitor a what? >> it's called a wet bulb. so basically it monitors the humidity and temperature. when it gets to a certain level, a lot of coaches make a decision, no more practice, let's go inside. >> just had to clarify. i can't delve deep into my football past. still ahead here, our team put together a unique look at the tradi trading day on wall. you have to stick around and watch this. what's in store for wolf blit