Five: one to handle the bulb and four to contemplate how David Sanborn would've done it.
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By paying them to cheer for him during campaign events.
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Two. One to screw it in, and one to stab the other in the back and take all the credit.
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The question is irrelevant, since you couldn't find the dolls even if you knew how many. (Note: Well, this was a good joke in 1983-84. . . .)
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