The entire Salomon Brothers trading floor might be poised for a number at 8:30 A.M., gripped by suspense and a great deal of hope, ready to leap and shout, to buy or sell billions of dollars' worth of bonds, to make or lose millions of dollars for the firm, when a trainee arrives, suspecting nothing, and says, "Excuse me, I'm going to the cafeteria, does anybody want anything?" Trainees, in short, were idiots