Democrats counter that the Palm Beach equipment made it particularly hard to punch through the presidential column and that any dent clearly shows intent.

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At a hearing on Friday, they brought in a developer of the system and others to testify on why it was harder to punch holes in the presidential column.

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On Friday he introduced a developer of the Votamatic machine, William Rouverol, 83, to explain how his imperfect machine is more likely to produce dimpled chads in the vote for President than for other offices, because that column gets clogged by getting the most use and therefore harder to punch out cleanly as the day goes on.

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