I think that makes more sense, then. I don't see how such a "natural" contamination would only be limited to Romaine, and not the other varieties which are probably grown on similar farms.
If true, this is a horrific prospect, though. Domestic biological terrorism.
I don’t know for sure - it’s just a guess.
But I do know the psychology of our ‘intelligence services’ and deep state denizens is that THEY AND ONLY THEY are strong enough to deal with ‘the truth’ - and that the American people might ‘panic’ or some other equally insulting stupid conjecture.