Could voters in US’s bluest district deliver a ‘Mamdani moment’ in Philadelphia?

Pennsylvania's third district, a Democratic bastion, will see a face-off between party's traditional wing and insurgents

Democrats have been consumed for the better part of two years by the same question: what went wrong in 2024? Next week, voters in the country's bluest district will render a verdict when they choose a candidate for the 2026 midterm elections.

Nearly every faultline currently running through Democratic politics - from Gaza and healthcare to immigration enforcement and the role of corporate money in politics - is at the heart of the party's race for Pennsylvania's third district.