 Senator from New Jersey.On June 26, 2018, Alexandria Ocasio-Cortez, a Puerto Rican millennial, won the Democratic primary in New York's 14th congressional district covering parts of The Bronx and Queens in New York City, defeating the incumbent, Democratic Caucus Chair Joe Crowley, in what has been described as the biggest upset victory in the 2018 midterm election season.Ocasio-Cortez is a member of the Democratic Socialists of America and has been endorsed by various politically progressive organizations and individuals.