I am orginally from N. Kentucky, but dont know anything about the laws there, Here in WA, I would see the bouncer legally being able to oust them from the bar if waiting for Police could potentially cause serious damage to the facility or to other persons.
With the Fake IDs, they would be charged, not you. If they provided what you believed to be a legal form of ID, you cannot be blamed. [However, if they are like, 14, and present an ID with them being 22, you may have some problems :D ]
Here, you may get a tresspass warrant on anyone for anything. If I run a business and I dont like the look of your face I can get a tresspass warrant. If you run a business, it is YOUR business and YOUR Property, you can let whoever you want in.
Officer Tina Griswold, EOW 11-29-2009
Rest in peace.