For years, President Donald Trump was a Fox News superfan, routinely phoning in to give impromptu interviews and receive gushing praise.<br />But now, Business Insider reports Trump is waging war against the network.<br />What's more, he's encouraging his supporters to migrate over to more MAGA-friendly channels like Newsmax and One America News Network.<br />As it increasingly challenges Trump's baseless election fraud claims, Fox News is under a siege of its own making.<br />With its recognition of Joe Biden as President-elect, Fox News' favorability ratings among Republicans fell by 13% following the election.