Senator John Fetterman has grown increasingly isolated from the Democratic party, with new episodes illustrating the magnitude of the rift ...

Michael Schaffer is a senior editor and columnist at POLITICO Magazine. He has covered national and local politics for over 20 years and spent seven years as editor-in-chief of the Washingtonian. His ...

U.S. Sen. John Fetterman of Pennsylvania made something abundantly clear almost 18 months ago — regardless of his enthusiastic endorsement of Democratic Socialist Sen. Bernie Sanders in 2016, ...