Some recent grads having a beer.. Three guys, Mike, Dave, and Doug were at a table in a bar enjoying some beers and conversation. A stranger came by and asked if he could join them and was immediately welcomed. After about an hour of lively conversation the stranger said, ""I can tell you are all recent college grads. I bet I can guess where each of you went to school."" ""That would be interesting,"" said Doug, ""I'd like to see how you could do that."" ""Well, Mike here, he's Harvard. That's e…