Angela Merkel sweeps in to save the euro zone

The EU was born out of catastrophe and has advanced through crisis. Today, it confronts threats on many fronts. If it fails to rise to these challenges, it might even shatter. Fortunately, Angela Merkel understands this. The German chancellor remains the trusted leader of the indispensable European country. By agreeing a radical new financial plan with French president Emmanuel Macron, she has transformed the EU’s possibilities. It is another “whatever it takes” moment, this time from Europe’s leading politicians, confirming that Germany and France will only let the EU fail if their electorates discard their elites, as the Americans and British have done. But history has marked the peoples...