What it takes to win this year's US election

Millions of people have already voted by post and millions more will head to the polls tomorrow as America decides who will lead them for the next four years. While polls suggest Joe Biden is ahead - no one is calling it yet. Sky's Ed Conway has been looking at what it takes to win this year's US Election. 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