The first Republican debate of 2023 happens tonight. Here's what to know:8 Republican candidates are set to take the stage live from Milwaukee, WI. Among likely Republican primary voters, Trump led with 62%, followed by Florida Gov. Ron DeSantis, with 16% support. The rest of the candidates were in single digits.The two-hour debate is being hosted by and broadcast on Fox News at 9 p.m. ET. Fox News anchors Bret Baier and Martha MacCallum will moderate. Boyd Matheson, Host of Inside Sources joined the show to explain what he is paying attention to tonight.

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