Quote Originally Posted by Bluedawg View Post
But the "no shirt, no shoes, no service" is posted...theirs wasn't
Bzzzzt! It most certainly is posted, in Southwest's Contract of Carriage.

http://www.southwest.com/travel_center/contract.html

Item (10)(F)(1) on page 10 states:

F. Comfort and Safety - Carrier may refuse to transport or remove from the aircraft at any point any passenger in the following categories as may be necessary for the comfort or safety of such passenger or other passengers:

(1) Persons whose conduct is or has been known to be disorderly, abusive, offensive, threatening, intimidating, or violent, or whose clothing is lewd, obscene, or patently offensive;