DNA evidence gives Jessica Heeringa's family hope
                                
                                
                                    (Newser) -
                                    A small amount of blood found at a Norton Shores, Mich., gas station belongs to Jessica Heeringa, the 25-year-old who  disappeared two weeks ago  while working there, in what police believe was an abduction. The family is actually viewing the newly released test results as good news,  Fox 17  reports....