This was an actual Letter to the Editor in today's Chron. I think it speaks for itself:

"Editor -- I am 13 and I think it's unfair that people under 18 do not have the right to vote. I mean, everybody has a right to vote, but the law says you have to be 18 (or something like that) to vote. That's like totally not fair. We should be able to vote at any age we want. Why wait till the very last minute? I mean, there's a lot of people out here in the world who are ready. Why should they wait to just sit down with a pen or pencil and shade in a circle?"