- Walz called Upton. But the former GOP lawmaker said he decided to endorse Harris on his own.POLITICO
- Harris hails Republican endorsements as campaign condemns Trump’s threat to fire Jack Smith – US elections liveThe Guardian US
- Former GOP Rep. Fred Upton Backs Harris: Trump Is ‘Just Totally Unhinged’The Daily Beast
- A Wisconsin Mayor, a Former Republican, Endorses HarrisThe New York Times
- Former Republican Congressman backing Harris: ‘We have to work together’NBC News