Afghan President Ashraf Ghani, right, and chief executive, Abdullah Abdullah, left, at the NATO summit, Warsaw, Poland, July 9, 2016 (AP photo by Markus Schreiber).

With the two-year anniversary of Afghanistan’s national unity government approaching in September, long-simmering tensions between President Ashraf Ghani and the country’s chief executive, Abdullah Abdullah, have broken out into the open. In mid-August remarks to his supporters, Abdullah made his most public and direct complaints to date, calling Ghani unfit for the presidency. He said that his counsel was being ignored by Ghani, his position within the government was being marginalized, and his demands for reforms were going unmet. Although the two leaders have since met one-on-one and attended Afghanistan’s Independence Day celebrations together on Aug. 17, the complicated power-sharing […]