Henry Farrell, a political science assistant professor at The George Washington University, says the European Court of Justice's recent ruling against an agreement with the United States to share airline passenger data is merely "an internal EU dust-up." He says the deal is likely to be renegotiated with the same terms but stronger legal footing.

U.S.-EU cooperation against terrorism has led to a new dynamic in U.S.-EU relations by fostering dialogue on law enforcement and homeland security issues previously reserved for bilateral discussions. Nevertheless, some challenges persist in fostering closer U.S.-EU cooperation in these fields. Among the most prominent are data privacy and data protection concerns.

"One day Europeans may find that the US military is not there to deal with threats lapping at their frontiers."

"Nowhere is this more heartfelt than in Italy. The euro is more than a currency: It is the strongest symbol of belonging to Europe, a relationship that many Italians hope can teach them better governance."

"Europe's leaders were right about the pressure. Monetary union without banking union will not work, and a workable banking union requires at least some elements of fiscal and political union. But they were wrong about the irresistible part. There is no inevitability about what comes next."

"She currently holds the fate of Europe in her hands. If the euro is rescued, Merkel will get most of the credit, and if it falls apart, she will be forced to shoulder the blame. No other German chancellor has had as much power on the European continent as the current one. And yet, ironically enough, none of Merkel's predecessors were as dispassionate about the European Union as the woman currently governing from the Chancellery."

According to a secret legal opinion for European Union finance ministers, a plan to create a single eurozone banking supervisor is illegal.

Reuters details the negotiations that led from ECB President Mario Draghi's late-July speech to his recent announcement that the ECB stood ready to buy "unlimited" amounts of bonds by the most troubled euro members.

Gideon Rachman comments that while European Central Bank President Mario Draghi's recent promise of "unlimited" purchases of sovereign bonds will help save the beleaguered euro, it will also bring increased political and economic unhappiness in Europe.

Wolfgang Münchau writes that despite isolating himself from his peers in the European Central Bank, Jens Weidmann, president of the Deutsche Bundesbank, is actually winning the debate about future ECB policy.

George Soros explains the events that led to the recent bond purchase announcement by the European Central Bank solidifying its commitment to do whatever it takes to save the euro, and discusses the larger political implications this decision will have for the future of the European Union.

As constant threats of a European meltdown continue to impede U.S. economic growth, Obama remains fixated on their economic situation.

After so many bungled interventions, regulatory failures, and taxpayer funds wasted, Europe seems more intent than ever on finally doing something constructive about its banking sector.

Would a breaking up of the euro invite another Great Depression? Gideon Rachman of the Financial Times explores the answers.

The European Commission has launched proposals to radically reform corporate income tax in the EU with a system known as the Common Consolidated Corporate Tax base. This column in Vox suggests that this reform would have significant effects on individual member states, but only small effects at the aggregate level in terms of employment, GDP and efficiency.

Philip Stephens discusses two measures necessary to avoid catastrophic economic collapse in Greece and its implications for European solidarity in this Financial Times piece.

James Cooper outlines the possible effects of European debt crisis contagion on the United States.

Richard McGregor explains how the eurozone crisis showcases diminished U.S. capacity to lead, as Congress debates how to best support the bail out.

The thirteenth Geneva Report on the World Economy addresses fiscal consolidation policy.

Olivier De Schutter discusses what the G20 should do to prepare the world for food crises.