KOREANS ROOT FOR UNIFICATION.(MAIN)

Byline: DON KIRK New York Times

SEOUL, South Korea -- The 60,000 spectators who filled the World Cup Stadium here saved their loudest cheers Saturday night for the spectacle of North and South Korean soccer players holding aloft a large ``unification'' flag, depicting a blue Korean peninsula against a white field with no line separating the two countries.

As loudspeakers blared the strains of ``Arirang,'' the sentimental Korean folk song that Korean fans relentlessly sang during the World Cup soccer finals in June, the players -- the northerners in white, the southerners in red -- strode around the field, clutching the flag, as the roars reverberated through …