Shannon Sindorf University of Colorado, Boulder [Abstract] Introduction In light of early high hopes for the democratic potential of online discussion, the reality of attacks, hostility, vitriol, and at times racist and sexist sentiments can be alarming (Coffey and Woolworth, 2004; Carlin, Schill, Levasseur, and King, 2005; Hlavach and Frievogel, 2011; Richardson and Stanyer, 2011;…