Let's revise the old saw about how people are politically liberal when they're young and conservative as they grow older. It's beginning to seem truer to say that when you're young, you are basically nothing.

Yes, it's true that opinion polls show Barack Obama holds a strong lead over Mitt Romney among voters under 30. Does this mean they all cleared time to watch the presidential debates? I doubt it. More likely a lot of young "voters" had something better to do, such as using...