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Surrounded by her family, U.S. Rep. Lori Trahan, representing the Third Congressional District, is sworn into office by House Speaker Nancy Pelosi.
Trahan, of Westford, beat out a field of nine other candidates to win the state primary in September and become the Democratic nominee.
She came to the WestfordCAT studios before the mid-term elections in November for an interview with News Director Joyce Pellino Crane.