Georgia is one of the battlegrounds where local and state officials are grappling with some big changes about certifying the vote and a new requirement to hand count the total number of ballots.

Miles O'Brien looks at another concern raised by some

experts about a potential vulnerability of the voting machines. State officials

say they are more than prepared. Here's his report.

It's a few weeks before a primary election day in Bartow County, Georgia,

and election workers are conducting a logic and accuracy test of computers that stand between

voters and their ballots.

Where it says text size, touch them and then do big. Big. They are Imagecast X ballot marking devices or

BMDs made by Dominion voting systems. Everyone who votes in person in Georgia uses one of these touch screen

computers to record their choices and then prints a marked paper ballot which

gets scanned and tabulated.

So are these machines worth the added cost and complexity?

I advocated for them.

Joseph Kirk is the election supervisor here. He says the ballot marking devices offer advantages

over paper ballots marked by hand.

It guides the voter through the process. It makes sure that there's no question about their intent.

A small percentage of selections on hand-marked ballots are disqualified because voters make

ambiguous markings.

Dominion's ballot marking devices may address that issue,

but many election security experts say they inject stubborn

uncertainties into the voting process. subject between the voter and the only records of their vote.

Jay Alex Halderman is a professor of electrical engineering

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