How one of the most powerful Democrats in Washington lost his seat to a 28-year-old political novice in the most stunning political upset of the year

On Tuesday night in New York, a 28-year-old political newcomer and self-described socialist, Alexandria Ocasio-Cortez, defeated one of the most powerful and entrenched Democrats in Congress in a shocking primary win for the progressive wing of the party.

Ocasio-Cortez is likely to be the youngest woman ever elected to Congress come November.