By the way, I agree: its not ideal to make serious announcements while eating ice cream.
But he was already eating ice cream when they asked him the question.
If the question had been Do you like sprinkles?

Joe Biden with Seth Meyers after the president’s appearance on “Late Night.“Jim Watson/AFP via Getty Images
that would have been a [bleep] insane answer.
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Meyers then went on to show Donald Trump have his own ice cream moment.
