DARDANELLE — The annual Mount Nebo Chicken Fry, a mainstay of Arkansas politics for generations, saw a break from tradition this year.In election years, the Democratic and Republican parties usually rent two cabins as their headquarters for the day while they make their case to potential voters lured to the campground by carriage rides, live music and chicken dinners. This year, the Libertarian party rented the Republican cabin.The problem wasn’…