Can’t take a hike: more economic turmoil in Turkey

President Recep Tayyip Erdogan just does not like interest-rate rises. So he has again sacked a central-bank governor given to imposing them—again, to his own peril. America’s love of free markets extends also to the business of sperm donation; our correspondent discusses the risks that come with so little regulation. And the opera composer who is shaking up stereotypes.

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