Tehran, April 12 -- Former Iranian Foreign Minister Mohammad Javad Zarif has offered a sharp critique of the diplomatic approach adopted by Washington, questioning the underlying reasons for the lack of progress in the recent high-stakes dialogue.

Taking to social media platform X, the veteran diplomat challenged the premise of the discussions, asking, "Want to know why negotiations did not succeed?"

In his assessment, Zarif pointed to a fundamental misalignment in the negotiating strategy of the United States. He referenced a specific remark from US Vice President JD Vance, quoting him as saying, "They have chosen not to accept our terms."

The former minister seized upon this statement to illustrate what he views as a recurring flaw i...