Ow far do todays news media play a democratic role in our society?

The essay needs to discuss how far do todays news media play a democratic role in our society and this needs to be illustrated with reference to news coverge of particular events.
Useful sources:
1.McNair, B (2003) An introduction to Political Communication(third edition). London:Routledge
2.Galtung, J. and M.Ruge (1973) Structuring and selecting News”, in S.Cohen and J.Young 9(eds) The manufacture of News”. London: Constable
3.Barnett, S (1998)Dumbling Down or Reaching Out?in J.Seaton (ed) Politics and the Media:Harlots and Prerogatives at the Turn of the MilleniumOxford:Blackwell
4.Calcutt, A and P.Hammond (2011)”Journalism Studies: A Critical Introduction. London: Routledge.
5.Fishman, M. (1980)Manufactoring the NewsAustion,TX:University of Texas Press.
6.Franklin, B(1997) Newzack and News MediaLondon: Arnold.
7.Tuchman, G. (1978)Making News: A study in the Construction of RealityNew York, NY:Free Press.