By , MEXICO CITY/WASHINGTON (Reuters) - U.S. prosecutors will drop drug charges against ex-Mexican Defense Minister Salvador Cienfuegos and turn over the investigation to Mexico, saying “sensitive” foreign policy considerations outweighed the interest in pressing the case.The surprise decision to dismiss the charges in the politically explosive case was announced in a joint statement on Tuesday from the U.S. Department of Justice (DOJ) and Mexico’s attorney general’s office.“The United States has determined that sensitive and important foreign policy considerations outweigh the government’s...…By , MEXICO CITY/WASHINGTON (Reuters) - U.S. prosecutors will drop drug charges against ex-Mexican Defense Minister Salvador Cienfuegos and turn over the investigation to Mexico, saying “sensitive” foreign policy considerations outweighed the interest in pressing the case.The surprise decision to dismiss the charges in the politically explosive case was announced in a joint statement on Tuesday from the U.S. Department of Justice (DOJ) and Mexico’s attorney general’s office.“The United States has determined that sensitive and important foreign policy considerations outweigh the government’s...WW…