From: eripe.dk@gmail.com   
      
   >    
   > But the charge would also demand that A and B be at rest with eachother, you   
   would not get relativistic effects and so could do the jump, but if you have a   
   third party on a moving ship, that ship would be able to see the passenger   
   arrive at B (and get    
   shot) before he leaves A.   
   >    
   > The ship then slams on the brakes to get to rest with A, jumps to A, tells   
   the passenger not to travel, and changes the future.   
   >    
      
   Wait, if the ship need to change speed to be at rest with A, the light from A   
   would catch up, and they would arrive after the passenger left. Causality   
   preserved!   
      
   And if he jumps in without changing his speed, the ship is destoyed. Noone   
   knows why but the suspision is on unknown causal forces. I dont think some   
   gavity slope rule would work, there would be ways around it.   
      
   Or I suppose the jump drive could make the speed change. You punch it, the   
   windup changes your speed to be at rest with destination gravity field (You   
   would land in a Lagrange point. Hope its empty), and while this happens events   
   are shown in fast    
   forward, so you cant arrive early.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)