A man goes into a bar with his dog and asks for a drink. The bartender says, ""You can't bring that dog in here!"" The man, without missing a beat, says, ""This is my seeing eye dog."" ""Oh man, I'm sorry,"" the bartender says, ""I didn't realize you were blind. Here, the first drink's on me."" The man takes his drink and goes to a table near the door. Another guy walks in the bar with a Chihuahua. The first man sees him, stops him and says, ""They don't allow dogs in here, so you won't get a dr…