The research shows that the automatic enrollment tends to attract 80, 90, 95 percent participation rates, And people stay in - because of inertia, because they know it's good for them, and because they really don't have to think about saving. It's been made easy for them.

The bottom line is, we're all going to have to work longer.

To its credit, GM is trying to remake itself and make good on the promises it made in the past. Companies are not required to make open-ended promises into the future.

When it comes to managing their portfolio on an ongoing basis, participants were otherwise occupied.