Ca$h for your Warhol: The Evolution of a Prank.

    Who would call a sign to sell a house?  That’s the question that got the ball rolling in the second lecture of the evening, “Cash for your Warhol; The Evolution of a Prank.” Presented by Geoff Hargadon, a money manager, conceptual artist and photographer who introduced himself to the crowd by stating dryly, “There are…