Leaders from the Group of Seven (G7) industrial nations meet on Sunday in the Bavarian Alps for a summit overshadowed by Greece’s debt crisis and ongoing violence in Ukraine. Host Angela Merkel is hoping to secure commitments from her G7 guests to tackle global warming to build momentum in the run-up to a major United Nations climate summit in Paris in December. The German agenda also foresees discussions on global health issues, from Ebola to antibiotics and tropical diseases. But on the evening before the German chancellor welcomes the leaders of Britain, Canada, France, Italy, Japan and the United States, she and French President Francois Hollande were forced into their fourth emergency phone call in 10 days with Greek Prime Minister Alexis Tsipras to try to break a deadlock between Athens and its international creditors. The two sides have been wrangling for months over the terms of […]