Prime Minister Sanae Takaichi is considering reviewing Japan's long-standing non-nuclear weapons principles, government sources said Friday, in a move that would mark a major shift in the country's security policy as it faces a tough security environment.Japan, the only country to have suffered atomic bombings, has upheld three principles of not possessing, producing or permitting the introduction of nuclear arms. But the third principle is seen as weakening the effectiveness of the nuclear deterrence provided by its ally, the United States, according to the sources.The review is being stud…READ FULL ARTICLE