There, the punch card system gave rise to dimpled ballots and hanging chads, leaving electoral officials to scrutinise ballot papers to decipher the voter's intention.

BBC: US election flaws 'cost 6m votes'

TALLAHASSEE, Florida (CNN) -- Six months after a bitter dispute put Florida's election procedures under the glare of critical sunshine, the state Legislature gave final approval Friday to a sweeping package of reforms that should make hanging chads history in the state.

CNN: Florida legislators approve election reform package

And then, also, some of the things that have happened in past elections such as the Hanging chads in a district that was not covered by pre-clearance, some things that have happened in Wisconsin that have not been covered under pre-clearance, Missouri, give them an opportunity to come into this system and have some of the positive results that happened in the South.

NPR: Voting Rights Act Renewal Stalled in Congress