Article Photos: Lab scandals, elections top 2012 news in Mass. 3/3

FILE - In this Nov. 6, 2012 file photo, Democrat Elizabeth Warren takes the stage after defeating incumbent GOP Sen. Scott Brown in the Massachusetts Senate race, during an election night rally at the Fairmont Copley Plaza hotel in Boston. Warren's election was one of the state's top stories in 2012. (AP Photo/Michael Dwyer, File)