Trump's Endorsement Power Has Structural Limits, June Primaries Show

Donald Trump's primary endorsements remain potent in safely Republican states but lose decisive influence in competitive races with complicated fields, June 16 primary results across Georgia, Oklahoma, and Alabama suggest. A Trump-backed gubernatorial candidate lost in Iowa in early June, breaking his near-perfect endorsement streak. His Senate endorsements have fared better than gubernatorial ones, reflecting voters' different weighting of local expertise in governor races versus national alignment in Senate contests.