How to realign individuals tasks and functions in a failing corporation?
How to manage the transition from old failing organizational structure to new ones?
How to enforce the new policy immediately after the changes?

Try reading this book:
"Streetwise Small Business Turnaround: Revitalizing Your Struggling or Stagnant Enterprise" by Marc Kramer.
I found it very helpful.

-Adeena Mignogna
Author of "Cute Little Store: between the entrepreneurial dream and business reality"
Cute Little Store (http://cutelittlestore.blogspot.com)