Potential senator Roy Cooper. Photo: Al Drago/Bloomberg/Getty Images There’s exactly one Republican-held U.S. Senate seat rated as a 2026 “toss-up” by the Cook Political Report: that of retiring North Carolina senator Thom Tillis . Democrats got some great news this week when it was reported that popular former two-term governor Roy Cooper has decided to run for the seat. With Republicans likely to unite around Trump’s designated candidate, RNC chairman Michael Whatley , North Carolina is set