>> clarno: yeah. you might like it. >> whitaker: clarno says the oregon system she oversees is backed up with barcodes unique to each voter. she says it's more secure, with drop boxes everywhere, and produces some of the highest voter turnout rates in the country. colorado, hawaii, utah and washington also have moved to vote-by-mail elections. >> clarno: a lot of people fear there could be fraud. in the 2016 election, we had about 20 cases of people voting in two different states. so, we're just very certain that our system's very secure. >> whitaker: do you have any idea what percentage of the vote was fraudulent in that way? >> clarno: well, in 2016, if we had 2.8 million voters and only 22 people tried to vote in two states, that's not too bad. i'm not ematicia thatnds li pretty good. >> whitaker: shy ink vote-by-mail has become so controversial? >> clarno: well, it's not controversial in oregon. i think that if you'd ask most oregonians, they'd say, quite frankly, i like voting at my kitchen table