When LOVE takes over: how Robert Indiana's artwork conquered the planet

The American artist’s LOVE sculpture is more famous than the Mona Lisa. What a pity most people don’t know that he made it – and that he didn’t copyright it in the 60s
When Pope Francis came to the US recently, he was greeted by a very American artwork. On the steps of the Philadelphia Museum of Art, just behind the platform where the pontiff held an outdoor mass, was a monumental red and blue sculpture – four letters, stacked two by two, to read AMOR. It’s a