"The most obvious strategy in this regard is to limit the concentration of the media. Given the unrivalled capacity to engage in unrestrained electoral advocacy that comes with owning a newspaper, it is important that no single person or company be able to dominate the market. Others, by contrast, have called for the regulation of media content. Most of the content regulations being discussed at present are aimed at stopping invasions of privacy and preventing the acquisition of information through hacking and blagging. There have, however, been some calls that newspapers be required to cover political matters with due impartiality, as is required on UK television and radio."
“How Campaign Finance Laws Made the British Press So Powerful”
The Volokh Conspiracy quoting the New Republic: