diet pizza. it's kind an oxymoron. >> so they are basically just cutting it in half? that's the diet form of that? >> but the crust is the best part. pan pizza. why else would you go to pizza hut? >> and it's like dripping in like three or four cups of oil as well. >> you like blot the pizza, the cheese at the top. >> if you're going to do that, why even bother having it. >> i'm that way. especially if you have new york pizza. you kind of get the whole thing. we're going to guess pizza is probably not part of the training for a tightrope walk for nik wallenda. he's getting ready for his next big stunt. >> nik wallenda is getting ready to walk over the chicago river on a tight rope 50 stories above the water. it will be stretched from one of the city's marina towers to another building south of the river. wallenda said he can't wait to walk in the windy city. >> it's all about the challenge. of course, winds are always a challenge. it's a wire walker's worst enemy and it's something that's the one element i can't control.