Note: This data includes only those races in which Axios research determined at least two candidates have a reasonable chance of winning; Data: Axios research; Chart: Jared Whalen/Axios
Alabama's Senate runoff on Tuesday may provide a fresh glimpse into former President Trump's influence over GOP voters after he withdrew his endorsement of one candidate, Rep. Mo Brooks (R), and instead backed his rival, Katie Britt.
Why it matters: A string of losses among candidates endorsed by Trump in May has punctured perceptions of his dominance over the GOP for the first time in years, raising questions about the competition he could face in a 2024 Republican presidential primary.