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District profile: For nearly 40 years, Tucson was the political base of the brothers Udall. Now their sons, Tom and Mark Udall, represent New Mexico and Colorado districts.
2004 results: Republican Jim Kolbe defeated Democrat Eva Bacal 60 percent to 36 percent.
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RANDY GRAF (R)
Graf, a transportation executive and former state representative, was nominated with 43% in a five-way primary.
- Born: Nov. 3, 1958; Green Bay, Wis.
- Family: Married (Cathy); one child
- Education: San Diego Golf Academy
- Professional: Professional golf player
- Military: None
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GABRIELLE GIFFORDS (D)
Giffords, a businesswoman and former state senator, was nominated with 54% in a six-way primary.