I think you're mistaken about how science actually works - the evidence that you gather is what matters, rather than who you are. Perhaps you should be addressing that, rather than engaging in petty ad-hominem attacks.
"The argumentum ad hominem is not always fallacious, for in some instances questions of personal conduct, character, motives, etc., are legitimate and relevant to the issue."
From: Phil Jones <p.jones@xxxxxxxxx.xxx>
To: "Michael E. Mann" <mann@xxxxxxxxx.xxx>
Subject: HIGHLY CONFIDENTIAL
Date: Thu Jul 8 16:30:16 2004
"[...] The other paper by MM is just garbage - as you knew.... I can't see either of these papers being in the next IPCC report. Kevin and I will keep them out somehow - even if we have to redefine what the peer-review literature is !"