Democratic Sen. Chuck Schumer of New York expressed surprise at the news when told by CNN . White House praises Sen. Olympia Snowe for her bipartisan leadership . Previously known as moderate Republican who sometimes voted with Democrats . Maine GOP chairman says the decision is going to shake up Maine politics . She cites the partisan divide in Maine as a reason for decision .
White House praises Sen. Olympia Snowe for her bipartisan leadership . Previously known as moderate Republican who sometimes voted with Democrats . Maine GOP chairman says the decision is going to shake up Maine politics . She cites the partisan divide in Maine as a reason for decision .