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So far Germany\u2019s new chancellor has been all but invisible at home and on the international stage. We examine the motives behind his reticence\u2014and his abilities during a European crisis. As space becomes a battleground and satellites become targets, new research aims to bring nuclear power to bear. And visiting a red-hot art exhibition in three ways at once. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer