Tig Notaro, the comedian best known as Sarah Silverman's best friend, put up an interview this weekend just in time for America's love affair with Zach Galfianakis. Zach talks about his new movies The Fiddler On Roofies and Swingset. And it's all very weird and awkward and awesome. Did you know Zach is a gym rat ("thirty minutes of thrusting") ...