As Matt Taibbi, Rolling Stone's scabrous political correspondent, has often observed, one of the ways that Wall Street protects itself is by cloaking its activities in jargon so dense and dull that it's impenetrable to the average observer. In "Two Raging Grannies," a documentary by Norwegian director Havard Bustnes, two economic novices try to understand the complexities of the global financial system, and its obsession with growth.