President-elect Donald Trump is the king of not ruling things out. It’s his default response when a possibility, no matter how far-fetched, gets floated, both because he has little regard for norms and because he seems to view extreme ideas as negotiating ploys.

NATO won't heed Donald Trump’s proposal for a massive hike in defence spending but will likely agree to go beyond its current target, according to officials and analysts. The U.S. president-elect declared on Tuesday members of the military alliance should spend 5% of gross domestic product (GDP) on defence – a huge increase from the current 2% goal and a level that no NATO country,

NATO's current target for members' defense spending is 2 percent of their country's GDP. Trump has repeatedly called on the alliance to increase this amount.