caption: State Rep. Gayle Harrell and Keiser University administrator Belinda Keiser vie for the Republican nomination on Tuesday, Aug. 28, 2018, to run for the Senate Dist. 25 seat being vacated by Sen. Joe Negron. Supporters attend primary elections parties in downtown Stuart for Harrell at Flagler Place, and Keiser at Mulligan's Beach House Bar & Grill.