National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

This philosophy lies at the heart of the Charter of the United Nations and should be prominent in all our thinking, especially during this International Year of Peace"--Javier Perez de Cuellar.

Following the devastation of the Second World War, the United Nations was established to save succeeding generations from the scourge of war. One of its purposes is to achieve international ...