They seem to have learned that lesson already.
https://www.rawstory.com/2018/07/iran-re...out-value/
Can't say they are wrong.
https://www.rawstory.com/2018/07/iran-re...out-value/
Quote:Iran rejects Trump offer of talks as ‘humiliation’, without value
Quote:“Based on our bad experiences in negotiations with America and based on U.S. officials’ violation of their commitments, it is natural that we see no value in his proposal,” Kamal Kharrazi was quoted as saying by the semi-official Fars news agency.
“Trump should first make up for his withdrawal from the nuclear deal and show that he respects his predecessors’ commitments and international law,” added Kharrazi, a former foreign minister.
Can't say they are wrong.