Pew Research Center, “Political Polarization in the American Public”; Pew Re-search Center, Partisanship and Political Animosity in 2016.

“The Four Corners of Deceit: Prominent Liberal Social Psychologist Made It All Up,” Rush Limbaugh Show, Apr. 29, 2013.

Dylan Matthews, “Everything You Need to Know About the Fairness Doctrine in One Post,” Washington Post, Aug. 23, 2011; Yochai Benkler et al., “Study: Breitbart-Led Right-Wing Media Ecosystem Altered Broader Media Agenda,” Columbia Journalism Review, Mar. 3, 2017; Maggie Haberman and Glenn Thrush, “Bannon in Limbo as Trump Faces Growing Calls for the Strategist’s Ouster,” New York Times, Aug. 14, 2017; Michael J. de la Merced and Nicholas Fandos, “Fox’s Un-familiar but Powerful Television Rival: Sinclair,” New York Times, May 3, 2017.