Joe Biden EXPLODED in anger at a retired farmer who asked about his son's payouts from a Ukrainian gas company.
— Trump War Room (@TrumpWarRoom) December 5, 2019
"You're a damn liar," Biden said before challenging him to "an IQ test."
Biden also called the man "jack" and "fat" and "too old."
Biden never answered the question. pic.twitter.com/zPTcnghfTB