Son-in-law diplomacy

A high-stakes bargaining game is currently in progress over the fate of the US-made F-35 fighter jets and Russian-made S-400 missile systems ordered by Turkey. We are keenly anticipating how this will all end. We are living in different times to the days when decisions in the United States were taken by bureaucrats and competent state officials.
We see, for example, that "official" Washington laid down its red lines in statements made by Vice President Mike Pence, Secretary of State Mike Pompeo, etc. At the same time, however, we also see that a separate "son-in-law diplomacy" has been activated, as reflected in a photo of a meeting between US President Donald Trump with Turkish Foreign Minister Berat Albayrak - who is President Recep Tayyip Erdogan's son-in-law - and Trump's son-in-law Jared Kushner.
It would be difficult for Greece to find out what was said during that...