An American said he had “done nothing” wrong as a Bolivian judge formally charged him and his Uruguayan lover with murder Thursday in the hotel bombings that killed two people and wounded seven in La Paz. Triston Jay Amero, 24, and his pregnant partner, Alda Ribeiro, 45, were ordered held in preventive detention by Judge Williams Davila, who said he would consider a psychiatric evaluation for Amero and a medical exam for Ribeiro. Full Story