The story: Turkish Foreign Minister Hakan Fidan’s warning that Iran will face instability if it makes any destabilizing move in Syria has sparked widespread condemnation in Tehran. As Iran’s longtime Syrian ally Bashar Al-Assad has been toppled by Turkish-backed Sunni Islamists, some Iranians say Ankara now believes that Tehran is too weak to stand up to Turkey.

The coverage: In an interview with Qatar-based Al-Jazeera TV on Feb. 26, Fidan was asked about the possibility of Iran backing...