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John Fetterman (0.88) and Sherrod Brown (0.86) form two distinct peaks in Bob Casey's similarity graph — fellow Democratic senators whose audiences overlap with Casey's more strongly than any other neighbors — but the cluster extends well beyond same-kind politicians into a dense mix of journalists and Pennsylvania-specific brands.
The shape is two-peak: Fetterman and Brown sit noticeably above the rest, with the next tier dropping to Connie Schultz (0.84), Tom Wolf (0.83), and Claire McCaskill (0.82). Tallying the top 10 by subcategory: four are Politicians (Fetterman, Brown, McCaskill, and Tammy Duckworth — wait, the top 10 are Fetterman, Brown, Schultz, Wolf, McCaskill, Gritty, Steak-umm, Luke Russert, Lester Holt, and Chasten Buttigieg). Of those ten: four are Politicians (Fetterman, Brown, McCaskill, Wolf — though Wolf is subcategorized as Government Officials), two are Journalists (Schultz, Russert, Holt — three Journalists), one is a Sports Team (Gritty), one is a Food brand (Steak-umm), and one is a Professional (Chasten Buttigieg). The cross-kind entries are the structural surprise: Gritty at 0.82 and Steak-umm at 0.81 — a Philadelphia Flyers mascot and a frozen meat brand — sit inside the top 10 alongside senators and journalists, reflecting a distinctly Pennsylvania-coded audience composition that cuts across politics and regional identity.
The two-peak structure around Fetterman and Brown, combined with the Pennsylvania-flavored outliers, suggests an audience defined as much by regional and cultural markers as by partisan political alignment.
