Table 3.1. Contested selections for U.S. Senate majority leader.

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Table 3.2. Ideological comparison of candidates for contested selections.

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Table 3.3. Prior leadership positions of U.S. Senate majority leaders.

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Table 3.4. Robert C. Byrd (D-WV): U.S. Senate majority leader, 1977–1980 and 1987–1988.

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Figure 4.1. U.S. Senate majority leaders: At first Congress.

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Figure 4.2. U.S. Senate majority leaders: At selection.

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Figure 4.3. Republican U.S. Senate majority leaders: Ideological placement as leader.

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Figure 4.4. Democratic U.S. Senate majority leaders: Ideological placement as leader.

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Figure 4.5. Career ideological change of U.S. Senate majority leaders.

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Figure 4.6. Immediate ideological change of U.S. Senate majority leaders.

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