Embrace, 1982© Robert Mapplethorpe FoundationRobert Mapplethorpe is one of those photographers it's almost impossible to grow tired of, his pictures so full of contradictions and nuances that one can return to them again and again and always discover something new. And now a brilliant new anthology of essays on the lauded imagemaker, by Italian art historian and critic Germano Celant, who has been writing about Mapplethorpe on and off since 1977, has provide...