Former President Donald Trump-backed Rep. Mary Miller defeated Rep. Rodney Davis for an Illinois House seat nomination in the newly drawn 15th congressional district which forced the two incumbents to face off in what had been deemed one of the most contentious races in the state this election cycle. Miller beat Davis by 15 points, and she will advance to take on Democratic nominee Paul Lange, who ran unopposed, in November. During his campaign, Davis portrayed himself as a Trump ally and used photos of himself with Trump in his campaign ads, but he also voted to certify President Joe Biden‘s …