^ Sorry, but that's right over my head I'm afraid.
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Something I did understand was Greta's dislike of bumping into Trump in the lobby at the UN Climate Summit:
Here's a clip of the same event, in which, if you feel inclined, you can catch Mike Pompeo with an adoring, sycophantic grin even more nauseating than the one that VP Pence habitually wears:-
"Bye Greta!" "Have a cool day, Greta!"