Biden’s age at forefront of voter concerns in Pennsylvania l This Week

ABC News’ Martha Raddatz speaks with voters in Pennsylvania on Biden’s reelection bid on “This Week.” SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP WATCH MORE on http://abcnews.go.com/ THIS WEEK: https://abcnews.go.com/ThisWeek LIKE ABC News on FACEBOOK: https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #ABCNews #ThisWeek #JoeBiden #Pennsylvania #Reelection