Eamonn argues that a low tax won't change people's behaviour and that any money raised on the 20p tax on fizzy drinks would be spent on the bureaucracy to bring it in. 

You can here the discussion on BBC Radio Wales here. (from 15.37mins in). 

Summary

Dr Eamonn Butler is a guest on BBC Radio Wales discussing the negative impact of minimum alcohol pricing and a 20p per litre sugary drinks tax.