SC-01: Joe Cunningham moves from 'Tossup' to 'Lean Democratic'
Republicans regarded Cunningham as a fluke when Rep. Mark Sanford's primary loss fractured the GOP and allowed the first-time candidate to prevail by a point in 2018. But Cunningham's aw-shucks charm (he was stopped once for trying to bring a six pack onto the House floor) and massive fundraising head start has helped him build a lead over GOP nominee Nancy Mace, the first woman to graduate from the Citadel.
Over the summer, Cunningham dominated the Charleston airwaves with ads playing up his bipartisanship, including footage of GOP Gov. Henry McMaster praising him for his work on an offshore drilling ban. Meanwhile, Mace's message boils down to "sending a new Nancy." But she's not getting much of a lift from the top of the ticket: after Trump carried the seat by 13 points in 2016, at least two internal polls show the presidential race tied here.
https://cookpolitical.com/analysis/house/house-overview/house-rating-changes-seven-races-move-mostly-towards-democrats