For debt-stricken Greece, the migrant crisis is hardly over. The new center-right government is grappling with a surge in migration and deteriorating conditions in the country’s asylum centers. Migration in the Mediterranean has increased in recent weeks to the highest level since the EU-Turkey deal in March, 2016, and Greece is back to being the main entry point for hopeful migrants. So far this year, some 36,000 people have entered the country through its sea and land borders, already surpassing last year’s influx of roughly 32,000. By contrast, the other two European frontline countries, Spain and Italy—both economically and politically less fragile than Greece—have received a total of 26,000 migrants together in 2019. The situation could escalate even further; Turkish President Tayyip Erdogan threatens to re-open the route for migrants into Europe, if he does not receive adequate international support for his plan to resettle one million asylum seekers from Turkey to northern Syria. (Turkey has nearly 4 million Syrians, by far the biggest group of refugees.) Meanwhile, conditions are worsening at Greek asylum centers. …