The 'Dirty Little Secret' About Longhorn

Longhorn was (and still partially is) the big secret, how can you have a little secret about it?
It is a whole bunch of secrets that keep on showing up.

Apparently Microsoft dropped their intention of having Longhorn built on .Net 2.0. Why?

http://www.microsoft-watch.com/article2/0,1995,1820607,00.asp