EUROPE - The coronavirus pandemic, with its simultaneous health and economic crises, is deepening fault lines within Europe in a way some leaders fear could prove to be a final reckoning. The cohesion of the European Union had been battered by Brexit, bruised by the political fallout from the 2015 migration surge and the 2008 financial crisis, and challenged by rising autocracy in the east that runs contrary to the professed ideals of the European project. Now, if Europe’s leaders cannot chart a more united course, the project lies in what one of its architects described this week as “mortal danger.”