Rules:
Other communities of interest:
To get to Greenland though he's mostly got to go through Canada's territorial waters first, or else take a very long way around in the Alantic Ocean (giving more time for everyone to prepare a response).
So, he'd be willing to take on both Canada and Denmark (who'd likely be backed up by other members of the EU) ?
More hot air.
Distraction, only distraction from what's happening in the US itself.
Even if he doesn't enter Canadian waters, couldn't Denmark just invoke article 5? That's a recipe for a war even more damaging to the US than the trade wars he's been instigating.
He's just a weak old man pretending to be what he thinks a strong man is.