On Election Day, can we require employees to vote after work?

Q. A number of employees have expressed concerns about long lines on Election Day and their intent to vote in the morning. That could make them late for work. Our office closes at 5:30, which gives employees 2½ hours to vote before polls close. Can we force employees to vote after they have completed their workday? If an employee who votes in the morning is late for work, can we deduct the missed time from his or her pay? ...