71.   In one commonly discussed scenario, several GOP challengers file against a Democratic incumbent who has no primary opposition.

72.   In the Yonkers, N.Y., mayoral race, the Republican challenger, John Spencer, beat the Democratic incumbent, Terrence Zaleski.

73.   In the seven gubernatorial races in the South this year, no Democratic incumbent is running for re-election.

74.   In the Yonkers mayoral race, the Republican challenger, John D. Spencer, easily beat the Democratic incumbent, Terence M. Zaleski.

75.   In those states, Democratic incumbents responded vigorously to NRA-sponsored television ads against them -- and all won their races.

76.   In the Senate, for example, only seven Democratic incumbents are running for reelection.

77.   Including Bradley, six Democratic incumbents have announced that they will not seek re-election to the Senate next year.

78.   It is opposed by Democratic gubernatorial candidate Kathleen Brown and U.S. Sen. Dianne Feinstein, the Democratic incumbent.

79.   It was not that long ago that Republicans had trouble recruiting challengers to Democratic incumbents.

80.   It was opposed by Democratic gubernatorial candidate Kathleen Brown and U.S. Sen. Dianne Feinstein, the Democratic incumbent.