"The American people have given our party a mandate to lead and pass President Trump ... McClain also won support from the rest of the Michigan Republican delegation, plus some big names like House Appropriations Chairman Tom Cole of Oklahoma.

Meanwhile, McClain had support from a wide range of the Republican Conference, from House Freedom Caucus members to rank-and-file national security hawks. READ ON THE FOX NEWS APP

U.S. Rep. Lisa McClain plans to announce she's running to be chair of the House Republican Conference, the No. 4 post in the House GOP.

Rep. Lisa McClain (R-Mich.) is set to replace House Republican Conference Chair Elise Stefanik (R-N.Y.) as the chamber's No. 4 Republican. Why it matters: McClain will be the highest-ranking new face in House GOP leadership,

Michigan’s firebrand Lisa McClain has her sights trained on the fourth-top GOP job in the House — and tells The Post being a swing-state rep is her not-so-secret weapon. Rep. Elise Stefanik is leaving the prestigious Republican House Conference chair position vacant,