WASHINGTON (Reuters) - A fired CIA agent, who a newspaper says told superiors in 2001 that Iraq had abandoned part of its nuclear program, is asking the FBI to investigate allegations that the spy agency dismissed him for refusing to falsify intelligence. A July 11 letter to FBI Director Robert Mueller from the former agent's attorney suggests CIA officials may be guilty of criminal violations involving intelligence he produced on weapons of mass destruction in 2000 that contradicted an official agency position. The former agent's attorney, Roy Krieger, said his client initially asked the CIA's inspector general to investigate charges...