The issue focused on in the national election campaign is the future of the UK's nuclear weapons. In the run-up to the vote, the Yes campaign has made a number of moves to try to win over voters. It has called for a free vote in the referendum, and was said to be trying to win over voters with a series of policy announcements. In the run-up to the poll, the Yes campaign has made a number of moves to try to win over voters. It has called for a free