Oklahoma’s governor picks energy executive Alan Armstrong to fill US Senate seat through end of year

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Oklahoma Governor Kevin Stitt and his appointee to the U.S. Senate, Alan Armstrong speaks to state leaders, reporters, and friends after he was announced by Oklahoma Governor Kevin Stitt's as his choice to temporarily fill Senator Markwayne Mullin's seat during a press conference at the Oklahoma State Capitol in Oklahoma City, Tuesday, March 24, 2026, Oklahoma City. (AP Photo/Alonzo Adams)