In OTL, prior to relocating to the United States of America, the Rupert Murdoch was a member of the Australian Labour Party and helped Labour win on a platform of universal healthcare. After moving to the United States, he became a Republican and established Fox News and the rest is history.
But, what if Murdoch had stuck with Labour sensibilities and become a Democrat in the United States? This might have required a different Democrat in office than Jimmy Carter... Maybe Scoop Jackson could have won him over.
But I digress, what would the impact have been if the Murdoch Family were Democrats instead of Republicans? Would Fox News be a left-wing news source that makes MSNBC look like CNN? What would become of CNN and MSNBC, assuming those still exist? What would fill the Right-Wing news gap? What would the impact be of a heavily left wing news outlet popping up and following the same process of growth and expansion that the OTL Fox News did?
Who would be personalities that Murdoch's empire used for a left wing Fox News?