Greek-Turkish relations are going from bad to worse. The Erdoğan regime wages “no war–no peace" operations in the Aegean Sea by constantly violating Greek sovereignty. It encourages illegal migrants to cross into Greek territory. It just unilaterally annexed a large tract of the Eastern Mediterranean Sea as its exclusive economic zone to explore for natural gas. What are the dangers of a conflagration? How can this be avoided? What policies should the Trump administration adopt?