On Nov. 7, voters will choose a new Congress, governors in 36 states and decide whether to approve various ballot initiatives. Here is a state-by-state look: Alabama: Republican Gov. Bob Riley sailing toward re-election. Alaska: Republican Sarah Palin ousted Gov. Frank Murkowski in a primary, now hoping to spoil comeback bid by former Democratic Gov. Tony Knowles. Arizona: Democratic Gov. Janet Napolitano coasting to a second term. Republican Sen. Jon Kyl seeking third term with Democrats hoping Jim Pederson can spring an upset. Republicans expect to lose House seat vacated by retiring Rep. Jim Kolbe, but hope Rep. J.D. Hayworth...