Signal nonlocality violating quantum theory as shown in Daryl Bem's data backing up Libet, Radin, Bierman, Targ, May, Spottiswoode, Shoup et-al is real retrocausality.
Thanks for the heads up on this paper Nick.
On Dec 21, 2011, at 6:28 PM, nick herbert wrote:
http://xxx.lanl.gov/abs/1112.4522
Superb paper by David Ellerman