Lorentz symmetry violations

Some physicists think that “Lorentz symmetry” (the property of the laws of physics being same for all observers regardless of their relative motion or position) may sometimes be violated:

http://physicsworld.com/cws/article/print/19076

An interesting but very long piece that seems to come to no conclusions yet. So I guess we won't know any more till those space born clocks are used, eh.