This is not evidence of evolution. Is it? If, it is, some people are going to be somewhat disappointed.
Depends on what you think selective breeding is ... a version of ID, or a version of evolution, or some combinatin of the two.
At any rate, I think it is a case of selective breeding, based on conceptions of beauty. (According to these people, there's a mathematical description for "beauty" that seems to be consistent through history, and it seems to show a preference for smaller faces