Ex-Rep. J.D. Hayworth (R) stayed atop the conservative mind with a radio show on the biggest conservative talk station in Phoenix. But the show is proving a treasure trove of oppo research for his rival, Sen. John McCain (R-AZ). McCain's camp is taking a new angle on Hayworth, accusing him of being a birther for comments Hayworth made during his radio career. In a new clip, from July '09, Hayworth says "questions continue" about Obama's birth certificate. "Equal justice under law: Doesn't that include this president and his birth certificate?" Hayworth asked on the July 15 show, according to a...