Journalist Mark Halperin defended media reports detailing the alleged cognitive decline of Democratic Sen. John Fetterman, ...

Pennsylvania Sen. John Fetterman (D-Pa.) says that former aides who voiced their concerns about his mental health have a ...

A former staffer for Sen. John Fetterman, above, says he reached out to a doctor who treated Fetterman for major depression, ...

John Fetterman (D-Pa.) says that former aides ... video journalist Nicholas Ballasy when asked about allegations of erratic behavior made by former staff members to New York Magazine.