Even before taking office, Trump shaking up global order [Video]

Donald Trump has not yet returned to the White House but is already thrusting himself to the front of international stage as he once again shatters diplomatic niceties.

As only the second former president elected to a non-consecutive term, Trump is at least a known quantity to world leaders. Even his knack for unpredictable behavior is predictable.

But Trump has quickly made clear that he is still capable of jaw-dropping statements, an approach that has rattled allies, while pleasing his supporters, who see this is as a way to force results.

As president-elect, Trump has refused to rule out the idea of military force to seize Greenland — an autonomous territory of NATO ally Denmark — as well as the Panama Canal, the vital waterway which the United States handed over 25 years ago.

Trump has also taunted NATO ally and long-friendly neighbor Canada, suggesting it should become a 51st …