A hacker does not need to touch a voting machine. https://www.bloomberg.com/news/articles/2017-06-13/russian-breach-of-39-states-threatens-future-u-s-elections
A hacker does not need to touch a voting machine. https://www.bloomberg.com/news/articles/2017-06-13/russian-breach-of-39-states-threatens-future-u-s-elections
Although now there will be paper ballots as a back-up, in case they want to verify the machine vote.