Barry Soper: Newstalk ZB senior political correspondent on Nicola Willis offering to debate Ruth Richardson - Heather du Plessis-Allan Drive

The Taxpayers' Union has raised concerns about Nicola Willis' skills as a Finance Minister - and one of her predecessors has expressed interest in a debate.

Willis challenged Ruth Richardson to a debate yesterday, after Richardson criticised the Government's fiscal track. 

Richardson's agreed - but a date's yet to be set. 

Newstalk ZB senior political correspondent Barry Soper explained further.

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