Even in Republican Arizona, Barack Obama has a healthy lead over Sarah Palin. With the state swinging away from Democrats, having Palin on the ballot come general election time next year is Obama's best hope of winning the Grand Canyon State, according to a new poll. Democrats have taken Arizona in only one presidential race since 1952. Continue Reading The survey by Democratic-leaning Public Policy Polling found Obama topping Palin 49 percent to 41 percent in the state. That's significantly better than he fares against other candidates — Obama trails Mitt Romney by 6 points, Mike Huckabee by 4 points,...