Also, I would recommend that the turns be randomized to some degree. The current set up would allow you to constantly DoW the person after you and then make peace at the end of your turn. This forces the next player to take the stab/BB hit for breaking a truce with you if he wants to retaliate.
Turn rules could run something like:
1. The last person of the current round sets the order for the next round.
2. The last person cannot assign himself to the first or last position. This prevents prolonged turns (i.e. Player A gets to play 10 years in a row)...and...prevents one player from continually being able to set the order.
3. No repeated relationships. Player B can't follow Player C in back to back rounds (i.e. no ACBD, then CBDA).
Hopefully, under these rules, sequences would run something like:
Round 1:
Player A
Player B
Player C
Player D
Round 2:
CBDA
Round 3:
DBAC
Round 4:
ADCB
etc, etc, etc
I hope that isn't too confusing.

I like the KISS principle, Keep It Simple Stupid....but...I think some regulation would be required to limit abuses.
What do you guys think of that proposal?