Washington ExaminerDemocratic mayor to run for Senate seat held by Scott BrownUSA TodayDemocrat Setti Warren, the first black mayor elected by popular vote in Massachusetts, said today he'll run for the US Senate seat held by Republican Scott Brown. Brown, a surprise winner in a 2009 special election in ...Setti Warren to Challenge Scott Brown in 2012New York Times (blog)Setti Warren challenging Scott Brown in 2012Washington Post (blog)Does Setti Warren have the goods to beat Scott Brown?Boston Globe (blog)Washington Times (blog) -Patch.com -CNN Political Ticker (blog)all 70 news articles »