What are the Regional Effects of Heavier Sanctions against Iran?

“The possibility that Tehran might give up hope of a political resolution due to reasons such as the crippling economy due to sanctions, increasing pressure from regional rivals and internal opposition provoking street protests, may cause U.S.-Iran tensions to rise to their highest level of the last 40 years, and this situation would have severe consequences for the entire region, including Turkey.”

Does Quadruple Talk in Istanbul Signal Peace for Syria?

“One way to prevent a regime coalition offensive in Idlib would be if the U.S. stepped in. If the U.S. could come to a more balanced position between Turkey and the PKK it could allow for a so-called “NATO zone” that would put nearly half the country out of reach of the pro-Assad coalition, and place Turkey’s territorial holdings in Syria under the political protection, if not the military protection, of the United States.”