[gcanyon]

Sure, you can point out how it works in practice, but the concept of "for the public good" is in the literal description in the constitution.

[nitwit005]

Copyright laws rather obviously predate the US constitution.

[gcanyon]

While Mickey is a worldwide issue for Disney to deal with, the article is written from a U.S. perspective.

I'd be curious to know how other countries' laws justify copyright.