The recent salmonella outbreak from ConAgra's peanut butter products looks to have a cause: leaky plants and moisture contamination.

Looks like a faulty sprinkler helped along with a leaky roof was responsible for making salmonella bacteria grow and contaminate peanut butter, according to ConAgra. Nice plants you have there -- faulty sprinkler heads is understandable (I guess, in a plant where food is processed). But a leaky roof?

At least ConAgra responded pretty quickly to the peanut butter recall by finding out the cause of the problem (even if it is embarrassing). Peter Pan and "Best Choice (Wal-mart's private label brand) should be returning to store shelves by July