Marco Rubio actually said...

If this thing goes off the rails, if, in fact, it's used in a nefarious way, what leverage do we have to pull back on it?

I think that is a prudent course of action, to proceed cautiously and to go forward on a sort of test drive of this new process and make sur...

Hope is no substitute for rigorous empirical real-world testing.

I honestly don't believe that proceeding cautiously on this is to our detriment, and I think that's fully understandable, given the scope of...