WASHINGTON (AP) — Duane Mitchell has big plans for the United States’ 250th anniversary. Mitchell, a 78-year-old veteran in Montana, plans to take a red, white and blue 1954 Chevrolet pickup that he restored and drive it in local parades for the Fourth of July. In honor of the country’s milestone anniversary, he bought a decorative eagle to mount on the back of the truck, accompanied by American flags. “I’ll be driving my pickup,” he said, referring to his role in the parades. “Usually we