By Cameron Brooks June 4 2014, 4:58 pm June 4 2014, 4:58 pm Share Share via Facebook Twitter Whatsapp Messenger Linkedin Email Post link https://wpcluster.dctdigital.com/pressandjournal/politics/scottish-politics/246262/246262/ Copy Link Three unionist party leaders have written to Alex Salmond demanding that he put a price tag on the start-up costs of an independent Scotland.