And look into how THAT effect immune system
I'm sure they did.
But would one really need a tactical nuke to sabotage a nuclear power plant. Surely once inside the perimeter, much havoc can be wreaked through much more conventional methods?
However, if a nuke was smuggled in, I don't think the U.S. government can keep an item of that magnitude under wraps for long. At least, under this administration, I hope not.
Ruski admitted after Luinev testimony that they in fact did smuggle nukes in the past : i know it for a fact.
general Lebed also testified much to that effect
so...