What is art? Correspondent Paul Solman attempts to define it through the huge, monochrome canvases of Ellsworth Kelly and the symbol-laden compositions of Jasper Johns. At the Guggenheim Museum in New York, Director Thomas Krens describes Kelly’s works as the highest level of abstract precision, used to reduce the world to its most rudimentary elements. At New York’s Museum of Modern Art, Chief Curator Kirk Varnedoe finds in Johns’ representational works an inventiveness that derives from the meaning of each painting’s constituent parts. But is this modern art really art? Art critic Hilton Kramer, a museum guide, and Solman’s own camera crew have differing opinions. (14 minutes)