Arkansas Democrat Sen. Blanche Lincoln wins primary

The two-term senator withstands this year's strong anti-incumbent tide. But in Nevada, a 'tea party' favorite wins the GOP nomination to face Senate Majority Leader Harry Reid in November. Arkansas Sen. Blanche Lincoln edged past her labor-backed Democratic rival Tuesday, withstanding an anti-incumbent tide that swept out Nevada's governor and nearly swamped a veteran Republican congressman in South Carolina.

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