Liz Cheney embraces her role in the Jan. 6 inquiry in a closing campaign ad.

Representative Liz Cheney of Wyoming is highlighting her role as the top Republican on the Jan. 6 committee in a closing ad for her all but doomed re-election campaign, as polls show her badly trailing her Trump-backed opponent, Harriet Hageman, just five days before the primary.

But the nearly two-and-a-half-minute

appeared aimed as much at a national audience as at the Republican primary voters in Wyoming who will…