Turkey – US relations improvement unlikely under Biden, former US envoy Jeffrey says
“The S-400s are a disaster for Turkey... Purchasing them was a historic mistake"
Trump to Erdogan: “We understand each other’s country”
Erdogan tried to persuade Trump to continue the process of buying the F-35s, but also to stop the prosecution against the Turkish state-owned Halkbank executive
US charges Turkey’s Halkbank with violating Iran sanctions
The US accused high-ranking government officials in both Iran and Turkey of participating in and protecting the scheme