Question marks over the Christchurch Call, as Budget Day approaches.

Newstalk ZB's revealed the organisation led by Dame Jacinda Ardern has been accused of pressuring its advisory network to not publicise critical reports.

Prime Minister Chris Luxon says it's done good things - but now there's a conversation to be had, on how the organisation evolves now, five years on.

ZB senior political correspondent Barry Soper wonders if the Christchurch Call can serve a purpose.

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