Joe Biden Remembers Late Son Beau On 6th Death Anniversary: 'Toughest Day Of The Year'

Joe Biden and his family are still mourning the passing of his son, Beau Biden.

Beau, a former attorney general, succumbed to brain cancer in 2015 at the age of 46 years old. The Bidens gathered together and remembered Beau on his sixth Memorial Day service anniversary at Veterans Memorial Park Sunday.