This Paul Davies/Wall Street Journal Weekend ($) article provides a profile of U.S. District Judge Lewis Kaplan, the judge who is at the center of the KPMG tax shelter case.
Judge Kaplan is quite a character, as reflected by his following response to one of the banes of federal judges — the wrong-number caller to the in-court conference speaker phone that is used by out-of-town attorneys to participate in hearings that do not necessitate their in-person appearance in court:

During one hearing, an outside caller was mistakenly connected to the courtroom telephone.

“Hello?” the caller said over the speaker phone.
Judge Kaplan deadpanned: “Punch one if you want to enter your credit card number.”