Analilia Mejia, a progressive Democrat and former political director for Senator Bernie Sanders, has won a special election in New Jersey's 11th congressional district (a wealthy suburban area covering parts of Essex, Morris and Passaic counties in northern New Jersey), defeating Republican Joe Hathaway. Mejia, who was also backed by Representatives Alexandria Ocasio-Cortez and Senator Elizabeth Warren, campaigned on opposition to Donald Trump, populist economic policies, and abolishing Immigration and Customs Enforcement. Her victory preserves the Democratic hold on the seat vacated by Governor Mikie Sherrill and adds to a run of Democratic wins ahead of November's midterm elections, though the two candidates may face each other again in the full-term race later this year.