WSJ.com :: Spitzer on trail of Salomon Bankers :: Amid disclosures that investment-banking clients of Salomon Smith Barney pocketed huge profits from hot IPOs, the New York attorney general’s office is looking into the activity of senior Salomon executives who worked closely with former research analyst Jack Grubman. Attorney General Eliot Spitzer is seeking to determine if roles played by Mr. Grubman’s bosses resulted in firm-wide conflicts of interest involving the sale of now-worthless telecommunications stocks during the late 1990s, people with knowledge of the probe say.