A Georgian who formerly held his state’s second-highest post as a Republican has been expelled from the party following months of discord. The Georgia Republican Party’s executive committee voted unanimously to oust Geoff Duncan, an ex-state lawmaker who also served as lieutenant governor until 2023, accusing him of undermining fellow Republicans. The party also contends that he “violated his oath of allegiance to the Republican Party,” the Georgia GOP said in a Jan. 6 news release. The party’s unusual move came the same day that Congress certified the 2024 election win of Republican President-elect Donald Trump—whose candidacy Duncan publicly opposed….