There's no middle ground when it comes to a president like this.
Despite talking up her visit to the White House, the British PM has been remarkably quiet on the biggest issue of the moment.
US foreign relations have gone online. And the results are not looking good.
It's all smiles as two leaders meet for the first time, but it'll take more than warm words to navigate the choppy waters ahead.
Cutting off funds for crucial UN bodies could have disastrous consequences for the world order.
The precise wording of UN resolutions and the smallest of concessions by Pyongyang are telltale signs that change is underway.
Decades – even centuries – have gone into building the diplomatic protocols on which we all rely. Is all that work being undone?
Russia has decades of experience setting "honeytraps" for spies, diplomats, and whoever else it wants to embarrass or blackmail.
As his nominee for secretary of state awaits confirmation, Donald Trump is under pressure to explain what his views on Russia actually are.
The UK has to move on from these petty squabbles and start coming up with a plan.
Less than a year ago, Andrey Karlov's assassination would've been a dangerous diplomatic incident – but the two massive powers involved have all but mended fences.
An object lesson in seasonal geopolitics.
It's all very well to be intimidating, but China needs to win people over too.
The frenzied response to this year's most examined courtesy call played right into Beijing's hands.
'Little trick' or 'petty action'? The difference matters when translating what China really said about Trump's call with Tsai Ing-wen.
Football is becoming an increasingly important weapon in Britain's soft power arsenal.
A former British ambassador to Cuba, now a professor at Boston University, still has a few questions for the late Cuban leader.
The incoming Trump administration could do worse than learn from China in devising a new policy of economic engagement with North Korea.
Diplomacy between Europe and Trump's administration will be tricky, but not impossible.
The UN's Charter legally binds it to promote gender equality, but guess what: yes, it's a man again.