If Iraqi Kurdish leaders had the power to prevent the Turks from acquiring the tools of massacre but did not, they should be willing to explain why, or be forced to acknowledge they use the rhetoric of Kurdish empowerment insincerely.

Under the leadership of Prime Minister Recep Tayyip Erdoğan and Foreign Minister Ahmet Davatoğlu, Turkey has pursued a policy of good relations with all its neighbors. Well, almost. If Turkey wishes to join Europe or simply have diplomatic credibility in the region, it must end its occupation in Iraqi Kurdistan now.

Iraqi Kurdistan will always be weaker than Turkey and, to officials in Washington, it will always be less important than Turkey so long as Turkey remains in NATO. Still, the Kurdistan Regional Government can seize diplomatic initiative and perhaps protect its own people and force Turkey to moderate its actions, if only Kurdish leaders would play their hand more skillfully.

In one of his last acts as prime minister, Barham Salih symbolically launched the Aras Publishing House’s book fair in Erbil. The event featured important Kurdish classics, translations of Western works, as well as children’s books. Book fairs are important.

Iraqi Kurds and Iraqis more broadly can argue about whether Western concerns about Iran’s nuclear program are justified and they can also debate responsibility for the recent tension between Tehran and Washington. Analysts—whether they are in Washington, Jerusalem, or Tehran—largely agree, however, that the Middle East is closer to a major war now than at any time since 2003.

The failure of Kurdish leaders to fulfill their diplomatic agenda extends beyond the latest Turkish incursion. Turkey's occupations, however, provide the Kurdistan Regional Government with an opportunity.

It is time Masud Barzani returns to Erbil, breaks his isolation, and embraces the free press for what it is: the surest path to good governance.

Every Kurdish official, foreign businessman, or diplomat, knows that regional leader Masud Barzani and his immediate family have far greater power than Kurdistan’s constitution indicates.