Congressional upsets: Progressives, candidates of color, and GOP outsiders net primary wins - USA TODAY

Early primary upsets demonstrated the strength of some progressive and staunch conservative candidates, who sometimes lacked backing from their respective parties. https://www.usatoday.com/story/news/politics/elections/2020/07/22/2020-election-democrats-republicans-both-see-congressional-primary-runoff-upsets/5369587002/