Two words - Rahm Emanuel.
Oh, they were clever, too clever by half, and some red herrings were planted so the story LOOKED as if it may have come from either the Perry or Romney camps, but logic does not support this analysis.
Psy-war and dirty tricks abound, and with masking and cloaking of where signals originate, such a plant is not only possible, the scheme is highly feasible.
Remember, this one is for ALL the marbles, not just the ones in play.
It was the ballerina!
Why does logic not support that analysis?