Assorted links

1. Cave art may be mostly graffiti by cave teenagers.

2. How much do old Germans still dream about the war?  17.3 percent admit to it.

3. Hundreds of libertarian quotations: "The desire to rule is the mother of heresies."

4. Micropayments for customized avatars fund Asian on-line games.

5. Job retraining for a new German miracle.