Maine's U.S. Sen. Olympia Snowe saysshe's not running for re-election.
The three-term senator's campaign office issued a statement this afternoon that was confirmed by her campaign manager.
The Republican senator said in the statement that she was confident she would've won re-election but said she was frustrated by "anatmosphere of polarization and "my way or the highway ideologies."
Snowe has served 33 years in Congress.
