Fake discovered after actor sells painting at auction
                                
                                
                                    (Newser) -
                                    Steve Martin is renowned for his taste in art, but even he got duped by some world-class swindlers, reports  Der Spiegel . Martin bought a painting called Landscape With Horses, said to be from modernist Heinrich Campendonk, in 2004 for $850,000. He sold it two years later at Christie's...