Over the past couple of months, critics have been breathlessly extolling the Tim Hawkinson retrospective at the Whitney Museum here in New York. Hawkinson’s work can grab you in unexpected ways — like his tiny, perfect bird skeleton that on closer examination is constructed from the artist’s own fingernail clippings. Since so many of the pieces come alive with sound, Studio 360’s Sarah Lilley brought her microphone to the museum — where she asked the artist about the method behind his madness.