After a week spent trampling the international order, Trump capped his performance by giving Vladimir Putin the benefit of the doubt.
Many presidents have radically changed US foreign policy. Truman created his own doctrine. Carter gave up the Panama Canal. But a presidential historian sees danger in Trump's decision-making style.
Who do you call when there's a nuclear crisis? The International Atomic Energy Agency, unless the crisis involves North Korea -- then things get complicated.
Nothing the world has done has stopped Bashar al-Assad's regime from using chemical weapons – but it's imperative to keep trying.
Belief in American exceptionalism isn't just at odds with history and facts. It undermines the country's capacity to address looming challenges.
The government should take advantage of digital technology as they will be able to extend their public diplomacy agenda in an even more interactive way.
Germany's foreign minister could take a page from Chrystia Freeland's playbook on how his country should manage foreign policy in the Donald Trump era.
A former diplomat and foreign policy expert explains just how easily the president could bypass objections to war, from Congress to dissenting generals.
Now citizens have a louder voice than ever, the UK badly needs to decide on its role in the world.
Using the country's foreign policy to support national development will equip Indonesia to navigate geopolitical shifts.
Precisely because of his problems at home, Donald Trump wants to do more abroad – possibly with disastrous results. How can those who know foreign policy rein him in?
Refresh your knowledge on the origins of North Korea's nuclear threat and the options world leaders have to deal with it.
A foreign policy expert takes a look at how the high-profile exchange between the U.S. and Russian leaders went down.
Jeremy Corbyn was criticised for raising this issue on the campaign trail but it's time we talked about it.
Domestically, Brazil is a mess. Now, its foreign policy is in crisis, too, landing a staggering one-two punch to this one-time rising star.
For Trump, putting America first means that being a global leader on human rights may take a back seat.
France's president-elect made his name in the global arena, and has a diplomatic bent. Revitalising French foreign policy may well be among his early successes.
Since the late 1970s, East Asia has seen fewer deaths in conflict than any other continent. Can it keep the peace?
Other regions may be helpful to Erdoğan for a short time, but they cannot substitute the economic and political contributions Turkey requires of Europe.
Having campaigned on a promise to focus on problems at home, Donald Trump is realising how important the US's global supremacy is.