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
Nikki Haley: Top aides “told ex-UN envoy to undermine Trump”
"It was their decisions, not the president's, that were in the best interests of America, they said
Trump sent second letter to Erdogan threatening sanctions over S-400s
Letter set out US conditions for resolving crisis over Russian-made missiles ahead of White House meeting, but Turkish president was not convinced, sources say