He's upset and he's looking for the guys that are in charge of the country, they screwed up the economy BIG TIME.. And Trumpka is along for the drive-by.
http://www.cnn.com/2015/09/07/politics/joe-biden-2016-labor-day/
http://www.cnn.com/2015/09/07/politics/joe-biden-2016-labor-day/