OMG: 

I've just found this, 

https://www.nzonscreen.com/title/ralston-group-8-august-1991?collection=tv3-collection

Its a political panel show "The Ralston Group" that was hosted by the then TV3 political editor Bill Ralston, 

Click on Part two as they discuss the Fallout from the infamous "69 positions in 60 seconds" clip that was run on the "late late news"  show "nightline"

I seriously doubt you would find talk any show guests being anywhere near as frank on any show now or since...