An eloquent case for this is made in the current issue of Foreign Affairs by Edward Luttwak, of the Centerfor Strategic and International Studies in Washington.
Michael Green, a former Bush adviser on Asian affairs now with the Centerfor Strategic and International Studies, said Seoul's proximity to North Korea contributes to an ongoing unease.
Lewis is probably the most respected commentator on cyber affairs in the US and his new position paper for the Centerfor Strategic and International Studies, The Cyber War Has Not Begun, is a welcome addition to the debate.