ATLANTA (AP) – Some establishment Republicans are sounding alarms that President Donald Trump’s conspiratorial denials of his own defeat could threaten the party’s ability to win a Senate majority and counter President-elect Joe Biden’s administration. The concerns come ahead of Trump’s planned Saturday visit to Georgia to campaign alongside Sens. David Perdue and Kelly Loeffler. They face strong Democratic challengers in Jan. 5 runoffs that will determine which party controls the Senate. Republicans uniformly acknowledge Trump as the GOP’s biggest turnout driver. But some Republicans worry of potential fallout should Trump use the platform to amplify his baseless allegations of widespread voter fraud.