By Brian C. Mooney
Boston Globe

More than 4,000 votes vanished without a trace into a computer's overloaded memory in one North Carolina county, and about a hundred paper ballots were thrown out by mistake in another. In Texas, a county needed help from a laboratory in Canada to unlock the memory of a touch-screen machine and unearth five dozen votes.

In other places, machine undercounting or overcounting of votes was a problem. Several thousand votes were mistakenly double-counted in North Carolina, Ohio, Nebraska, and Washington state. Some votes in other areas were at first credited to the wrong candidates, with one Indiana county, by some quirk, misallocating several hundred votes for Democrats to Libertarians. In Florida, some machines temporarily indicated votes intended for challenger John F. Kerry were for President Bush, and vice versa.

In the month since the election, serious instances of voting machine problems or human errors in ballot counts have been documented in at least a dozen states, each involving from scores of ballots to as many as 12,000 votes, as in a North Carolina county. On Election Day, or in later reconciling tallies of ballots and voters, local officials discovered problems and corrected final counts. In some cases, the changes altered the outcomes of local races…

(The article goes on to list many of the problems reported.)

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