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SEN. CONRAD BURNS (R)
First elected in 1988; seeking fourth full term; Burns was nominated with 71 percent of the vote in a four-way primary.
• Official Web site
• NRSC profile
- Born: Jan. 25, 1935; Gallatin, Mo.
- Family: Married (Phyllis); two children.
- Education: University of Missouri, 1952-54.
- Professional career: Radio and TV broadcaster, 1968-86.
- Military career: Marine Corps, 1955-57.
- Election history: Yellowstone County commissioner, 1986-88.
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JON TESTER (D)
Tester, the state Senate president, was nominated with 61 percent of the vote in a five-way primary.
• Campaign Web site
• DSCC profile
- Born: Aug. 21, 1956; Havre, Mont.
- Family: Married (Sharla); two children.
- Education: University of Great Falls, B.S., 1978
- Professional career: Organic grain farmer, 1980-present; Chouteau County Farm Service Agency, 1990-95; Big Sandy School Board trustee, 1983-1992; School Board chairman, 1986-91; elementary school music teacher; 1978-80.
- Military career: None.
- Election history: State Senate, 1999-present; state Senate president, 2005-present; minority leader, 2002-04; minority whip, 2000-02.