The Commonwealth's senior member of the United States Senate, elected in 2012, is Elizabeth Warren, defeating incumbent Republican Scott Brown who had been elected in 2010 after the death of Ted Kennedy.
The Commonwealth's senior member of the United States Senate is Elizabeth Warren. Elizabeth Warren is defeating incumbent Republican Scott Brown. This incumbent Republican Scott Brown had been elected in 2010 after the death of Ted Kennedy. The Commonwealth's senior member of the United States Senate is elected in 2012.