Former US Vice President Joe R. Biden claps while waiting to speak at Amtrak’s Joseph R. Biden, Jr,. Railroad Station on August 26, 2016 in Wilmington, Delaware.

Former US Vice President Joe R. Biden claps while waiting to speak at Amtrak’s Joseph R. Biden, Jr,. Railroad Station on August 26, 2016 in Wilmington, Delaware. (Photo credit should read BRENDAN SMIALOWSKI/AFP via Getty Images)