After causing a stink in the South by scattering garbage and even feces across the border, North Korea has threatened to shower the South with “filth” once again if it finds any more anti-Kim regime leaflets on its side of the Demilitarized Zone.

And history suggests it may well follow through — and that there’s room for far more serious escalation.

North Korea justified its actions as a response to propaganda leaflets fired by activists into the DPRK.

The episode marked only the latest installment in a tit-for-tat leaflet war that dates all the way back to the early