2016 will always be remembered as the year of Brexit, even though formal negotiations to navigate our way out of the bloc are yet to begin, and doubts are still being raised about the date of March 31st 2017, when Article 50 is due to be triggered. But 2016 was the year when the vote that would change the course of British history was announced, carried out and revealed. Share Radio's Joe Aldridge has been looking into how one of the greatest political debates of our time played out.