How do you make a documentary for a series called Why Poverty? based on a book about a plutocrat palace? That’s what Kim Velsey asks in this New York Observer post on the soon-to-be-released movie, Park Avenue. When the Oscar-winning director Alex Gibney called to see if he could buy the rights to 740 Park and base his film on it, he summed up the answer to Velsey’s question thusly: We’re both more interested in the perps than the vics.