Internal conflict and ideological differences have taken their toll on the decades-old Karenni insurgency, but the Karenni National Progressive Party remains one of the few ethnic-based political organizations in Burma still actively engaged in armed resistance against the Rangoon regime. Now, reports Neil Lawrence, the KNPP is facing a new challenge, as opium and other narcotics once confined to neighboring Shan State make their way into territory controlled by Rangoon?s Karenni allies.