The Talking Dog version two A man walks into a bar with a mutt on a leash. The bartender says ""Hey, Mac. We don't allow dogs in here!"" The man says, ""But wait, he's a special talking dog. Can we stay if I can prove it?"" The bartender thinks for a second and says, ""Fine, prove he can talk and I'll let you stay."" ""OK, Fido,"" says the man. ""What's on top of a house?"" ""Rr-rrr-roof!"" barks Fido. The bartender is not impressed. ""OK, ok, let me try something else,"" says the man. ""Fido, h…