She will not face a Republican opponent in November's mid-term election.
However, unlike Crowley, Capuano had fiercely contested the MA race by racking up endorsements, attending debates and highlighting his consistently liberal voting record in one of the most Democratic districts in a traditionally Democratic state.
Pressley joins a growing slate of minority women Democrats running in the November 6 midterm elections, including New York's Alexandria Ocasio-Cortez, who scored a similar upset over a long-time incumbent, and Minnesota state Representative Ilhan Omar, set to become the first Muslim woman elected to Congress.
"At a time when our country is having trouble finding common ground on so many issues, we in MA are the exception", Baker told supporters.
It's not a sight you see every day, certainly not around Boston - a black woman mounting a plausible challenge to a 10-term white congressman from her own party, a politician with vast connections who votes the progressive line and opposes everything Trump. "And a reliable vote is not good enough". "While our president is a racist, misogynistic, truly empathy bankrupt man, the conditions which have made the 7th district one of the of most unequal in America was cemented through policies long before he ever descended the escalator at Trump Tower", Pressley declared in her victory speech, The Guardian reported. Pressley will run unopposed in November, giving her a virtual lock on the seat - the first in Congress that will be held by a black woman from MA.
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Pressley is poised to become the first African-American woman to represent MA in the state's congressional history. Neal, the dean of the state's House delegation, first was elected in 1989.
Minority candidates could play an important role in Democratic efforts to fire up the party's most passionate supporters and offset the low turnout that midterms often draw. Kennedy, the grandson of the late U.S. Sen. Robert F. Kennedy, delivered the Democratic response to Trump's State of the Union address earlier this year. They were contesting a primary to run for the seat held by U.S. Representative Niki Tsongas, who is retiring after 11 years.
"This is a fight for the soul of our party and the future of our democracy", she told reporters.
Democratic U.S. Sen. Elizabeth Warren sailed through her primary unopposed.
The air was electric and full of voters yelling "change can't wait" in a Boston union hall, as they celebrated the unseating of a 10-term congressman by a 44-year-old African American Boston city councilor.