How far does the the mass media operate as a public space in which competing and diverse ideas lead to rational forms of democratic decision-making?

the number of sources given is just a guide please use as many as you feel necessary.
please use as many from the following reading list as possible, as well as any others needed.

Briggs,A. Cobley,P. 1998 (eds) The Media:an introduction (chapter 18+19)

Eldridge,J. et.al 1997, The mass media and power in modern britain.

Morely,D.1992 Television audiences and cultural studies.

Curran,J. Seaton,J. (1991) Power without responsibility(chapter 15)

Freguson,M.(1990) Public Communication: the new imperatives (chapter.10)

Morely,D. (1980) The nationwide audience

Morrison,D.(1991) Television and the Gulf war

Morely,D. (1986) Family television

Bourdieu,P.(1979)public opinion does not exist in Mattelart,A. Siegelaub,S. eds, COMMUNICATIONS AND CLASS STRUGGLE,pp124-130 International General:1979

Burns,T.(1977)the organization of public opinion in Curran,J. Gurevitch,M. Woolcott,J. eds MASS COMMUNICATION AND SOCIETY,(1977)pp44-69

Curran,J.(1993) rethinking the mass media as a public sphere in Dahlgren,P. Sparks,C. COMMUNICATION AND CITIZENSHIP,1993
harvard method, including page numbers.