Rudy Giuliani's rivals are not at all satisfied with the former mayor's dismissal of the newest twist in the Bernard Kerik scandal.Commenting on book publisher Judith Regan's allegation that a senior executive at News Corp told her to lie to federal investigators about her affair with Kerik to protect Giuliani's nomination of Kerik as homeland security secretary, one McCain aide said,

"Obviously there are some very serious charges involved for a guy who was his protégé and one of his closest friends. And for Rudy to go out and say this is not worthy of discussion when it directly involves him and his decision making, and in the case of department of homeland security, the security of our country - it's disturbing that Rudy would think it's not something he is going to have to address. "

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