Senator Tom Cotton rejects Joe Biden’s comment that he is “confident” his son Hunter Biden is innocent of wrongdoing.
WATCH: Biden family needs to ‘come clean,’ says Senator Tom Cotton
U.S. Vice President Joe Biden, seen with his son Hunter Biden, left, and his sister Valerie Biden Owens, right, in Sojevo, Kosovo, on Wednesday, Aug. 17, 2016. (AP Photo/Visar Kryeziu)