Voters head to polls in Pennsylvania, choosing between Democratic candidate John Fetterman and GOP candidate Dr. Mehmet Oz in the most closely watched Senate race in the country. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #Midterms #Election #Vote2022 #abcnews #pennsylvania #senate