An Iraqi girl looks at an Iraqi soldier securing an area in al-Dor, north of Baghdad, on Friday. U.S. and Iraqi forces are in the second day of a vast sweep -- called Operation Swarmer -- to root out insurgents.
Canon-making is a core part of rap fandom, the subject of endless barbershop parleys and message-board battles. But something curdles when the companies that control the music business enter the chat.