Richard Codey's memoir, ``Me, Governor?'' is due out in June.
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Codey says the two teamed up to remove him as state Senate president in 2009.
DiVencezo says he's surprised Codey would levy criticisms in the book.
Codey also expresses regrets about not running for a full term as governor in 2005. He says Democratic insiders preferred Jon Corzine because he could finance his own campaign.