Baltimore Sun: John Ayodele of Nigeria recently became the proud owner of a used Hummer. He went through his daughter, a grad student living in Maryland, to buy it from a Perry Hall plumber for $24,500. Ayodele, an engineering executive, has practical reasons for buying and shipping across the Atlantic a vehicle seen by many as an eco-villain. Nigeria’s potholes are like lunar craters. And the truck could almost certainly plow through most log roadblocks laid out by highway bandits. Too bad …