WAP2001121401 - 14 DECEMBER 2001 - WASHINGTON, D.C., USA: This demonstration model of a suitcase bomb show how easily a terrorist could make a nuclear or conventional weapon completely concealable. This particular model, provided by Rep. Curt Weldon (R-PA), is based on Russian KGB nuclear weapons which may have been hidden in the United States and Europe for sabotage or terrorism purposes during the cold war. rlw/Roger L. Wollenberg UPI