The Best Beer

After a Beer Festival in London, all the brewery presidents decided to go out for a beer.
The guy from Corona sits down and says, “I would like the world’s best beer, a Corona.” The bartender dusts off a bottle from the shelf and gives it to him.
The guy from Budweiser says, “I’d like the best beer in the world, give me ‘The King Of Beers,’ a Budweiser.” The bartender gives him one.
The guy from Coors says, “I’d like the only beer made with Rocky Mountain spring water, give me a Coors.” He gets it.
The guy from Guinness sits down and says, “Give me a Coke.” The bartender is a little taken aback, but gives him what he ordered.
The other brewery presidents look over at him and ask, “Why aren’t you drinking a Guinness?”
The Guinness resident replies “Well, if you guys aren’t drinking beer, neither will I.”