Fetterman's former progressive backer says he 'sold us out,' escalates efforts to primary Democrat senator

[John Fetterman](https://www.foxnews.com/category/person/john-fetterman) Fetterman's former progressive backer says he 'sold us out,' escalates efforts to primary Democrat senator Pennsylvania affiliate of the Working Families Party launches new website to primary Sen John Fetterman  By [Greg Norman-Diamond](//www.foxnews.com/person/n/greg-norman) [Fox News](https://www.foxnews.com/) Published [January 17, 2026 12:18pm EST](https://www.foxnews.com/html-sitemap/2026/january/17) * Flipboard [](#)[close](#) [ Video](https://www.foxnews.com/video/6387729691112) #### [I represent 13 million Pennsylvanians, not just Democrats: Sen. John Fetterman](https://www.foxnews.com/video/6387729691112) Sen. John Fetterman, D-Pa., explains why his role as a senator for the ‘most purple state in the country’ has impact... --- *Note: This is a summarized excerpt. Click the source link above to read the full story.*