This weekend, leaders from the G-7 convene for their annual summit, this time in Biarritz, France. French President Emmanuel Macron bills the meeting as a chance to relaunch multilateralism. More likely, it will expose the political, economic and ideological fault lines threatening Western solidarity.

Christine Lagarde took over the top spot at the International Monetary Fund in 2011 amid two crises. Now, she is leaving to become the likely next chair of the European Central Bank. Thanks to Lagarde’s leadership, her successor will inherit a stronger IMF, but her tenure was not without controversy.