Referencing the new 20Under40 book, which calls for chapters from those under 40 years old to discuss the future of arts education, a heated discussion has begun as to "Why under 40?"

Fortunately, the talented and patient Eric Clapp, who is the purveyor of the book, is using Facebook to host a discussion. Members of the 20Under40 Facebook group can offer their take on the value of or mistake that is limiting authors to those under 40 years old. The online discussion is a hoot.

What do you think? Is it a mistake to limit authorship to those of a certain age? What would happen if it was limited to only those over 50 years old? Is there a next version of the book that should mix ages?