Assume barriers to entry in news provision have declined because internet news sites are less costly to set up than old fashioned newspapers and magazines. According to some observers, news companies have grown more polarized in the past decade, in that left/right-leaning news providers became more ardently leftist/rightist and more fervent in negatively skewing discordant news. Considering private sector news companies (i.e. not the CBC). Assuming (alternately) customers, news corporation employees or news corporation top executives are subject to one or more behavioral biases, but that shareholders are rational, how would increasingly one-sided news coverage emerge as a preferred strategy and what would be the likely long-term impact on news providers' share prices?