OMG, that is amazing.
the clenched fists
a sign of aggression, threat, violence
I looked up pictures of other dictators giving speeches: Castro, Stalin, Lenin, Mussolini, Mao, Khomeini, Saddam ... all different (and some distinctive) styles of body language.
Biden is totally Hitler ... and Hitler was barking mad. So is der Gropensniffer, Pedo Joe.
FWIW.