it would be interesting to find out the company that developed the software and see if they were a big dem supporter.
It could just be Obama voters have greasy fingers. Their fried chicken fingerprints are leaving a capacitive charge on the touch screens that is altering other people’s votes. Another possibility is a communist nation with sufficient technical resources such as China or Russia has hacked the machines to be pro-communist, although that’s a bad hack job if it doesn’t hide the switch.