Reviewed by GREG KING Documentary Director: Scott Hicks. "A quartet is a private thing," says Stephen King, a member of the renowned Australian String Quartet. But in this documentary from director Scott Hicks (best known for his dramas like the AFI and Oscar winning Shine and Snow Falling On Cedars, and the bland Nicholas Sparks romance The Lucky One, etc) it is no longer private. The quartet is laid bare here …