Nelson's Mayor has kicked off a conversation about whether alcohol licensing laws are too strict. 

Nick Smith was unable to buy a bottle of wine at the Ready to Roll concert on Sunday, at Neudorf Vineyards in Nelson.  

It was being sold by the cup – the rule in place thought to be an effort to stop intoxication. 

New Zealand Winegrowers Chair Fabian Yukich told Ryan Bridge there should be a little common sense.  

He says you can try to cut out every possibility of everything going wrong, but in the end that becomes impractical. 

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