THOSE of us who remember the 2014 Scottish referendum debate do not need a lecture by Owen Kelly (Letters, November 19) or from any other SNP supporters on the current ongoing Brexit negotiations when they are blinded by their own obsession on independence at any cost and have learned little from the recent past. For example, we were told by the SNP that we would only require 18 months to negotiate full independence from our 300-year-old Union (where we conduct around 65 per cent of our trade) a . https://www.heraldscotland.com/news/17234645.letters-a-no-deal-brexit-would-be-bad-news-for-troubled-european-economy/