A Duty Not to Vote?

I am not going to address the circumstances under which one ought not to vote because the election is corrupted: there is only one candidate, the count will be manipulated, to show up at the polling place would be to risk life and limb, or the election will have some other fundamental defect. These require fact intensive case by case analysis. What I am going to consider is a toy case in which it would be wrong to cast a vote because doing so would conflict with values underlying democratic processes. Then I will touch on some alternative voting procedures and finally will consider on whether toy case would generalize to a typical government election.

Lottery Democracy

Adding a little randomness to democracy is sometimes to the good. Why, when, and how far?