Summary: - Irregularities associated with electronic voting machines may have awarded 130,000 excess votes or more to President George W. Bush in Florida. - Compared to counties with paper ballots, counties with electronic voting machines were significantly more likely to show increases in support for President Bush between 2000 and 2004. This effect cannot be explained by differences between counties in income, number of voters, change in voter turnout, or size of Hispanic/Latino population. - In Broward County alone, President Bush appears to have received approximately 72,000 excess votes. - We can be 99.9% sure that these effects are not...