Warning: This is NOT an accurate representation of how the project will unfold

(True North pgs, Inc.) has long proposed getting a stamp for every documented
plan or schedule that says "Warning: This is NOT an accurate representation of how
the project will unfold." Every really experienced project manager knows this -- yet
somewhere in the chain of communication, this information gets lost -- leaving managers
and executives expecting a level of predictability and certainty that is unwarranted.

Exactly again.  You can only outsource the predictable projects.  Thanks
to Hal
Macomber
for this post; it's a quote from Amy Schwab to a discussion group. 
It seems like everything that I'm reading tonight is in the same vein.  'Course
I am catching up on my project management blogs ;-)