. . "Legislative hearings"@en . . . . . . . . . . "The AT&T / is Humpty Dumpty being put back together again? : hearing before the Subcommittee on Antitrust, Competition Policy and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Twelfth Congr"@en . . . . . . "The AT&T/T-Mobile merger : is Humpty Dumpty being put back together again? : hearing before the Subcommittee on Antitrust, Competition Policy and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Twelfth Congress, first session, May 11, 2011"@en . . . . "The AT&T/T-Mobile merger is Humpty Dumpty being put back together again? : hearing before the Subcommittee on Antitrust, Competition Policy and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Twelfth Congress, first session, May 11, 2011"@en . . "Legislative materials"@en . . . . . "AT & T." . . "AT & T (Firm)" . .