From the South, a young senator has emerged, with a deep voice promising change and a speaking cadence not unlike Barack Obama’s. His dark hair sits just so; his skin is perfectly even—is that makeup he’s wearing? Never mind. We’re looking at his sleeves now, which are carefully rolled up and emphasize biceps that are, well, quite noticeably larger than they were when Georgia voters sent him to Congress in 2021. theatlantic.com/politics/202…