N’Kiyla “Jasmine” Thomas holds a commanding lead in the Oklahoma Democratic U.S. Senate primary runoff because she captured roughly 45 percent of the vote in the June 16 primary, far ahead of attorney Jim Priest’s 24 percent, with the remaining candidates eliminated. Her background as a nurse and Chickasaw Nation citizen from Ardmore has drawn support among Democratic primary voters, while Priest, a 70-year-old former nonprofit executive, has emphasized electability and experience. The August 25 runoff occurs in a state where the eventual Democratic nominee faces a steep general-election challenge against the Republican candidate. Traders assign Thomas a 95 percent probability, reflecting her primary momentum; a late surge by Priest or unusually low turnout among her supporters could narrow the gap before ballots close.