We have minimum voter requirements, why not a maximum requirement? Neurological research has shown that as we get older, we tend to go in "reverse", with a more simplistic understanding and less independence as we age. Therefore, it only makes sense to impose a maximum voting age; otherwise we have a society with laws skewed towards favoring the old.
Our current political system shows clear favoritism to the olds (in particular, boomers). We spend an inordinate amount of money on medicare and social security, and yet programs that benefit the poor (unemployment benefits, welfare, universal healthcare, universal education) or the young (see the recent student loan interest rate issues) face a much larger amount of tumult in Congress.
Furthermore, at the time of the drafting of the Constit