PUBLISHED: October 4, 2015 13:11 Jeremy Corbyn's nuclear weapons stance undermines national security, says PMJeremy Corbyn has undermined national security by vowing to never use nuclear weapons if… http://www.shropshirestar.com/news/uk-news/2015/10/04/jeremy-corbyns-nuclear-weapons-stance-undermines-national-security-says-pm/