Knowledge or no knowledge, the intelligence community is obliged to furnish estimates to military planners, even if they're worthless and very possibly misleading. If you are one of those strange ducks trying to understand what this nuclear business is all about and read the respectable journals the CIA leaks information to, please don't get the idea this makes you a more respectable arm chair analyst than anyone else.

F*** You! Mr. President: Confessions of the Father of the Neutron Bomb (2006)