in a way, you could consider the media to be an interest group,
interest groups try to defend a cause. they work toward a cause mainly by convincing people that they are right and lobbying politions and spreading propaganda. the proaganda can be slanted to support a certain viewpoint
media is just any way to spread information. it can be also slanted to support a certain viewpoint
interest groups can use media to spread propagana. however, media can also be used to spread 'anti-propaganda' that is contrary to their cause
they compete to convice people that their truth is more true than the other truth
