There is more to representing art than selling art. The life of the gallery is dependent on the renewal and refreshment of its artists and dealers. When that stops happening, it's the end.
The conceptual artist Ai WeiWei illustrates the schizoid society that rapid change has produced - sometimes by reassembling Ming-style furniture into absurd and useless arrangements, or by carefully painting and antiquing a Coca-Cola logo on an ancient Chinese pot.
If Abstract Expression reached for the sublime, Pop turned ordinary imagery into icons. Roy Lichtenstein and Andy Warhol illuminated the transformative power of context and the process of reproduction. Claes Oldenburg's soft ice-cream cones and hamburgers changed sculpture from hard to soft, from stasis to transformation.
Your life moves in patterns toward things, and things that we achieve finally are part of this mosaic. I just think that we create our own fate.
As a result of World War II, European artists migrated to America, enlarging the scene and diminishing Paris as the center. America was beginning its dominance of the art world with the emergence of the Abstract Expressionists.