Adelphia Communications Corp.'s board and auditors have come under fire for the cable concern's self-dealing, but another player is starting to take heat for its role in the company's implosion, Wednesday's Wall Street Journal reported. Salomon Smith Barney acted as Adelphia's lead underwriter for some recent big offerings of Adelphia stock, while its parent Citigroup Inc. was one of the cable firm's primary creditor banks. Salomon has also been hired to help sell the company's cable-TV assets. The intimate involvement of Citigroup's different departments with Adelphia put it in a prime position to know about the co-borrowing arrangements and...