The countdown begins for the last undecided Senate seat between Democratic incumbent Raphael Warnock and GOP candidate Herschel Walker. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3uHCDO5 WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #RaphaelWarnock #senaterunoff #georgia #herschelwalker Walker.