Just as the Viet Cong and regular North Vietnamese troops used Laos and Cambodia as sanctuaries, the Taliban has used the tribal areas of neighboring Pakistan as a refuge.
VOA: standard.2009.09.09
New York 22 The fight to fill the seat of 10-term incumbent Cong.
As the United States saw with the Viet Cong's guerrilla methods during the Vietnam War, it is difficult to root out opposing forces when they blend into the population.