France’s government has collapsed -- again. With the resignation of Prime Minister Sébastien Lecornu, the fragility of European politics is once more on full display. Trapped between party deadlock, eco-socialist dogma, and a reform-weary public, France offers the blueprint for what could soon become the next Eurozone crisis. After Lecornu’s abrupt resignation Monday morning -- just hours after being sworn in -- President Emmanuel Macron must once again find a new head of government. By now, Macron is well-practiced at this ritual: this marks his third attempt in a single year to form a stable cabinet. Only a month earlier,...