Artist Katharina Fritsch’s Hahn/Cock has been unveiled on London’s Fourth Plinth in Trafalgar Square.  The unveiling yesterday caps several months of debate and protest over the deceptively subversive statue, and Mayor Boris Johnson took the opportunity to make several double-entendre driven quips about Prime Minister David Cameron.  “If you were to Google the sculpture in a few years’ time,” Johnson said, “search engines would collapse at the behest of the prime minister. Er, quite properly of course.” (more…)