We do all the appropriating. They do not do any of it down at the White House. They send a budget up here, and we don't have to pay any attention it to at all. We do what we want to do.
It is possible that a scientific discovery will be made that humans will later regret because it has awful consequences. The problem is, we probably would not know in advance and, once the discovery is made, it cannot be undiscovered.

