So I think you are mistaken about your preclusion from voting for Obama.
From the evangelicaloutpost.com
Thus, the right does not prevent the preclusion of defense witnesses as a discovery sanction.
From the en.wikipedia.org
Respondents again asked for either preclusion or dismissal.
From the forbes.com
My urologist colleagues and their patients would no doubt cavil at the preclusion of the surgical removal of kidney stones.
From the smh.com.au
Following the controversial invasion of Iraq in 2003, many people were unclear as to the precise differences between pre-emption, preventative war, and preclusion.
From the thisislondon.co.uk
This appears to be consistent with your attitude to the requirement to wait for seven days after posting notice of disputed fair-use status, i.e., your preclusion of debate.
From the en.wikipedia.org
Creation scientists also view the preclusion of all supernatural explanations within the sciences as a doctrinaire commitment to exclude the supreme being and miracles.
From the en.wikipedia.org
More examples
Obviation: the act of preventing something by anticipating and disposing of it effectively
(preclusive) made impossible
Collateral estoppel (CE), known in modern terminology as issue preclusion, is a common law estoppel doctrine that prevents a person from relitigating an issue. One summary is that "once a court has decided an issue of fact or law necessary to its judgment, that decision ... ...
The act of precluding; The condition of being precluded