>Voting is a habit, and there's research to suggest that 16- and 17-year-olds are more likely to develop that habit than 18-year-olds, who are often moving away from their local community to attend college or start work.
Now that's an interesting argument that I hadn't considered before.
RE: Washington, D.C., may let 16-year-olds vote for president. Is that a good idea?