But even if machines are closely monitored by polling staff--a condition that's far from universal--a more realistic concern may be innocent bugs that miscount or ignore votes.
About 30 Keller students were punished: 12 were barred from a June 2 graduation ceremony while others were allowed to attend on the condition they be sequestered from their classmates and "closely monitored" by school officials, according to a statement by the school district, which declined further comment.