In other words , the days when a chief executive like Citigroup 's Sanford I. Weill could pick up the phone to lobby Jack Grubman , the firm 's telecommunications analyst , to change his rating on AT&T may be over .
Citigroup /business/company/advisors Sanford I. Weill
IN JJ NNS , DT NNS WRB DT JJ NN IN NNP POS NNP NNP NNP MD VB RP DT NN TO VB NNP NNP , DT NN POS NNS NN , TO VB PRP$ NN IN NNP MD VB RB .
Citigroup
ORGANIZATION
Sanford I. Weill
PERSON
/business/company/advisors