Here’s what to know about Elizabeth Warren challenger Ian Cain

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Local News Here’s what to know about Ian Cain, the latest challenger to Elizabeth Warren Quincy City Council President Ian Cain is styling his politics on moderate Republicans like Charlie Baker while going after the progressive, and popular, Mass. senator. Quincy City Council President Ian Cain is officially running for Elizabeth Warren's seat in the US Senate. John Tlumacki/Boston Globe Sen. Elizabeth Warren has another challenger. Ian Cain, president of the Quincy City Council, officially kicked off his campaign to unseat the popular progressive Wednesday. Running as a Republican, Cain will first have to square off with John Deaton in...