None of the above

It would be nice to vote for none of the above instead of choosing between the lesser of two evils.  If I lived in Nevada, I would have that opportunity.  As the quality of those seeking to lead us diminishes, it becomes more important that we have the ability to reject the leadership of unqualified people.  

While the concept makes a lot of sense, it is interesting to note that the countries that have implemented the concept are Greece, Spain, Ukraine, Colombia, Bangladesh and Russia (which has since dropped it).  Not exactly a list of countries you'd like to emulate.