Republican Herschel Walker and Democrat Raphael Warnock went head-to-head in a fiery debate for Senate. SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP WATCH MORE on http://abcnews.go.com/ LIKE ABC News on FACEBOOK: https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #goodmorningamerica #abcnews #georgia #midtermelections #herschelwalker #raphaelwarnock