AT&T and Verizon Pressed to Detail Roles in U.S. Surveillance Efforts. Surveillance of Citizens by Government, Chen, Brian X, Telephones and Telecommunications, AT&T Inc, Verizon Communications Inc, Cellular Telephones, Office of the Comptroller (NYS), Trillium Asset Management LLC, DiNapoli, Thomas P, Privacy, New York State, Shareholder Rights and Activism