SINCE the UK vote to leave the European Union in 2016, speculation about the timing of a second Scottish independence referendum has been high. However, the process of holding one is a complicated political and legal matter, and it is not entirely in the hands of the Scottish Parliament to make a choice on when, or if, it happens. The Sunday Herald spoke to some seasoned pro-independence campaigners to find out more about the scenarios the SNP and wider movement are grappling with. . http://www.heraldscotland.com/news/16252712.The_road_to_indyref2__Here_are_the_scenarios_facing_the_SNP/