Poll: Arpaio statistically tied with McSally in GOP primary for Arizona Senate

Poll: Arpaio statistically tied with McSally in GOP primary for Arizona Senate  The Hill Controversial ex-sheriff Joe Arpaio says he's running for Senate in Arizona  KTRK-TV Joe Arpaio's advisers say Senate bid is for real  Washington Examiner GOP's Joe Arpaio disaster in Arizona makes bad midterm election cycle even worse  USA TODAYFull coverage