"If, for example, touchscreen (or DRE - “direct recording electronic”) voting enabled widespread fraud, then the size of the discrepancy between the exit polls and reality should increase as the percentage of votes cast by DRE increases. The charts show no such pattern by any type of voting equipment, so the CalTech/MIT researchers concluded, “there is no evidence that electronic voting machines were used to steal the 2004 election for George Bush.”"

"One problem though... the CalTech/MIT report used the "corrected" exit poll data now available online at CNN.com..."

Analysis of the CalTech/MIT election fraud paper