Lib Dem leader challenges party to 'tear down' Tory 'blue wall'

The Liberal Democrat leader Sir Ed Davey speaks to Sky News following a speech at his party's conference where he challenged supporters to "tear down" the Conservatives "blue wall". SUBSCRIBE to our YouTube channel for more videos:    / skynews   Follow us on Twitter:   / skynews   Like us on Facebook:   / skynews   Follow us on Instagram:   / skynews   For more content go to http://news.sky.com and download our apps: Apple: https://itunes.apple.com/gb/app/sky-n... Android https://play.google.com/store/apps/de... Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí    / @skynewsespanol