Janet Mills officially joins Democratic race to unseat Susan Collins
She is the preferred choice of national Democrats taking on the difficult task of unseating Collins, a Republican first elected in 1996.
Reports & sources
Wyoming Public Media
Maine Gov. Janet Mills enters crowded Democratic race to unseat Susan Collins (opens Wyoming Public Media)Wyoming Public Media's feed description
Washington Examiner
Janet Mills challenges Susan Collins for Senate seat, boosting Dem hopes (opens Washington Examiner)Washington Examiner's feed description
Bangor Daily News
Janet Mills officially joins Democratic race to unseat Susan Collins (opens Bangor Daily News)Bangor Daily News's feed description