"Personal attack" is a defined term in the User Agreement -- sarcasm per se is not a personal attack. ...a personal attack...is defined as: Posting harassing or otherwise objectionable content on another poster; Calling another poster names or being vulgar; Not staying on topic with the current investment discussion, but instead focusing on an individual poster <A HREF="http://www.investorshub.com/boards/complex_terms.asp" target="_blank">http://www.investorshub.com/boards/complex_terms.asp</A>