A convoy of US armoured vehicles patrols the northern countryside of the northeastern Syrian town of al-Malikiyah (Derik) at the border with Turkey, on November 3, 2019.  / AFP / Delil SOULEIMAN
A convoy of US armoured vehicles patrols the northern countryside of the northeastern Syrian town of al-Malikiyah (Derik) at the border with Turkey, on November 3, 2019. / AFP / Delil SOULEIMAN

Iraq and Syria have perplexed a succession of American leaders