BELGRADE - They sit like open sores at the heart of this turbulent eastern European nation. Long before international fugitive Miladin Kovacevic revived tensions between the U.S. and Serbia, NATO bombs reduced a row of once formidable government buildings here to hulking shells. The ravaged red-brick and concrete buildings are still standing nearly 10 years after the American-led aerial assault. They represent a wound that, many Serbians say, still runs deep. "Our people look at America like it's an enemy," said Niko Percovic, 30, a reporter based in the northern city of Novi Sad. That is one of the reasons,...