Live from Delphi: has the sun set on the transatlantic relationship?

In fewer than 100 days in power, Donald Trump has upended his country’s historic alliance with Europe, told the continent that it can no longer rely on security guarantees from the US and launched a trade war that threatens the global economy. Reporting from the Delphi Economic Forum, we spoke with attendees with experience at the Pentagon, Nato, the US Army and more about whether the sun is setting on the transatlantic relationship.