The former Ports of Auckland boss brought in lawyers to negotiate his exit payout of nearly $1 million, but any details as to why he was given the money remain under wraps. Auckland's Mayor Phil Goff is furious about the amount of money dished out to Tony Gibson and demanded a 'please explain' from the board. But that explanation has failed to ease tensions, with Goff saying it 'cannot be justified'. Nita Blake-Persen reports.