Vulgarity, pornography, threatened or implied violence, racism, bigotry, spam, advertising, personal information, libel, encouraging criminal activity, and posting information which could be dangerous to the safety of our armed forces (troop deployment information, etc), and leftist propaganda.
Also, if a person continually goes out of their way to cause flame wars, they will probably be taken out by Jim.
Also, anything posted by a previously banned individual who manages to get a new account is subject to being removed, regardless of content, when the new account is discovered.
Thanks, AM