DAVID BILLER and LEO CORREA Associated Press TRAIRAO, Brazil (AP) — Night falls in Brazil's Amazon and two logging trucks without license plates emerge from the jungle. They rumble over dirt roads that lead away from a national forest, carrying trunks of trees hundreds of years old. After pulling onto a darkened highway, the truckers chug to their turnoff into the woods, where they deliver their ancient cargo. By morning, the trunks are laid out for hewing at the remote sawmill, its corrugated metal roof hardly visible from the highway. The highway known as BR-163 stretches from soybean fields to a riverside export terminal. The loggers were just south of the road's juncture with BR-230, known as the Trans-Amazon. Together the highways cover more than 5,000 miles, crossing the world'