Sen. Olympia Snowe (R-Maine) says she’ll retire, citing partisanship in Congress - washingtonpost

The moderate Republican from Maine announced on Tuesday that she won’t seek another term because political partisanship has made the Senate unproductive. - Sen. Olympia Snowe announces retirement -- A look back at Sen. Snowe’s career
Olympia Snowe: Senate Republicans, Democrats work in ‘parallel universe’