Western Digital Corp. has demanded that it be allowed to take the initiative in operating Toshiba Corp.'s chip unit, which the Japanese conglomerate plans to sell, sources close to the matter said Tuesday.Western Digital, which has invested in Toshiba's Yokkaichi flash memory plant in central Japan, has claimed that it has the right to block the sale of the chip business, which Toshiba has put up for sale. The Japanese government is aiming to form a consortium of Japanese and U.S. companies to bid for the unit.During talks with Toshiba officials in Japan, Western Digital Chief Executive Off…READ FULL ARTICLE