Summary
- Liz Cheney, a Republican opponent of Donald Trump, will campaign with Democrat Kamala Harris in Wisconsin.
- The event is aimed at reaching out to moderate voters and challenging the former president.
- Cheney lost her Wyoming seat to a Trump-endorsed candidate and endorsed Harris last month.
- The campaign event will take place at a historic white schoolhouse in Ripon, where meetings opposing slavery led to the birth of the Republican Party.