Sara Barnes charged with setting fire that destroyed 3,500-year-old tree
                                
                                
                                    (Newser) -
                                    When we last visited the sad tale of "the Senator,"  arson had been ruled out  as the source of the fire that felled the famously ancient cypress tree. Now, a pathetic and unfortunate cause emerges: Sara Barnes, 26, was charged yesterday with setting the fire that burned the...