Attendees in Bucks County, Pa. test-drove new voting machines at an event aimed at helping the county decide which equipment to buy. Security is a major focus in the 2020 presidential race.

Attendees in Bucks County, Pa. test-drove new voting machines at an event aimed at helping the county decide which equipment to buy. Security is a major focus in the 2020 presidential race.

Attendees in Bucks County, Pa. test-drove new voting machines at an event aimed at helping the county decide which equipment to buy. Security is a major focus in the 2020 presidential race.

Attendees in Bucks County, Pa. test-drove new voting machines at an event aimed at helping the county decide which equipment to buy. Security is a major focus in the 2020 presidential race.