My take on the facial expressions:
Left side:
?Name “this’ll be fun”
POTUS “Yes, I am serious.” <<<
?#3Name “crap POTUS is serious”
Bolton- “heh, this will be interesting.”
Right side:
?Name “he really did it?!”
Putin “Crap”
?#3Name “This will not be what I thought”
Great analysis of body language. I think Putin is thinking, “ Vhat is zhe deal whiz zhe white bunny? Is a signal? A joke? Americans! Meh.”