Janeane Garofalo, Ralph Macchio & more try out write field

Mike Pont/Getty Images Janeane Garofalo savored Melissa Gilbert’s sweetie report about her ex Rob Lowe.

Even celebrities have a hard time believing what celebrities say. The Triad Theater’s “Celebrity Autobiography” show brought out well-known faces like Janeane Garofalo, Ralph Macchio, Michael Urie and Matthew Broderick…