so this came from where? >> this came from a zoo and we call it zoo poo. >> can you tell from looking at it what sort of animal produced it? >> once in awhile you might get elephant dung. >> that's an impressive piece of poo there. >> sure is. >> mike rowe, i wish i never asked people on twitter to send verdicts. somebody says mike rowe is an all american man stud was one verdict. another said piers morgan is a complete tool but mike rowe is awesome, dirty jobs keeps america moving. >> at least it's complete. >> that social media strategy appears to have blown up in my face. if you do want to send more thoughts at piers morgan obviously. a very interesting debate to me, about what america's identity is going to be. i was this great manufacturing force, can it be that again? >> sure. >> with new technology the way it is.