TOKYO -- When one talks of tensions on the Korean Peninsula, propaganda leaflets and loudspeakers have their own history with links to the present.
From military to activists, South Korea has history of provoking Kim Jong Un

The North Korean regime is especially sensitive to propaganda leaflets, sent via balloons, that criticize leader Kim Jong Un. (Source photos by AP/Reuters)
TOKYO -- When one talks of tensions on the Korean Peninsula, propaganda leaflets and loudspeakers have their own history with links to the present.