Nicaraguan protester builds own mortar In a clandestine outpost in Nicaragua, a man sporting sunglasses and a blue face protector hand-mixes mortar bombs: a concoction of potassium chlorate with carbon, sulfur, aluminum and a bit of sand for weight. With these handmade weapons, anti-government protesters aim to "protect themselves," but the mortar maker claims police have limited the sale of the chemical products used to fabricate them. IMAGES AND SOUNDBITES