As Arizona's J.D. Hayworth Goes, So Goes Republican Control of the House ... ? In an election for U.S. House of Representatives today, in Arizona's 5th Congressional District, prominent incumbent Republican J.D. Hayworth is in trouble, according to a SurveyUSA poll of 643 Likely Voters conducted exclusively for KPNX-TV Phoenix. Just as it was in SurveyUSA's most recent poll, released 10/16/06, the contest today is within the survey's margin of sampling error. But unlike 10/16, when Hayworth still clung to a 3-point lead, today it is Democrat challenger Harry Mitchell who is up by 2 points. Going back to SurveyUSA's...