If the [United States] continues to restrict activity in the sector, it will slow down this global diffusion, but it cannot stop it.  As it becomes increasingly isolated, it will discourage its young scientists and technicians from pursuing [U.S.] careers. 
If, on the other hand, the [U.S.] engages … in an orderly regulatory framework harmonized with the rest of the world, it will encourage a more rapid international diffusion of the technology.