NPR correspondent Chris Arnold is based in Boston. His reports are heard regularly on NPR's award-winning newsmagazines Morning Edition, All Things Considered, and Weekend Edition. He joined NPR in 1996 and was based in San Francisco before moving to Boston in 2001.
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.