Q&A: Trump’s new landscape - Venezuela, Greenland, military illegal orders and rare earth minerals

President Donald Trump continues to change the landscape for international politics.

Marc P looks at the safety of American citizens who dissent after talk of US troops ignoring illegal orders.

What is the legality of the capture of Venezuelan President Nicolás Maduro?

Would NATO continue to exist if the US actually invades or annexes Greenland?

And what has happened to the supposed rare earth minerals deal in Ukraine?