In sci.astro Uncle Al <UncleAl0@hate.spam.net> wrote:
 
[...]
> http://arXiv.org/abs/gr-qc/0409089
>  Spin-2 gravitons have problems  (so does the proposal)

This paper is wrong.  Motl gave a correct critique in sci.physics.strings.  See
http://groups-beta.google.com/group/sci.physics.strings/msg/ba31a00f5f26277a.

Steve Carlip