How can stockmarkets be so healthy when many businesses are so unwell? We look at the many risks that are clearly not priced in. China’s documentary-makers are having to find clever ways to get past censors—which is why one famed filmmaker is just giving his work away online. And remembering a legendary rock-climber who always wanted to find a new way up.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer
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