Kissinger -- along with William Perry , Sam Nunn , and George Shultz -- has called upon governments to embrace the vision of a world free of nuclear weapons , and in three `` Wall Street Journal '' op-eds proposed an ambitious program of urgent steps to that end .
In his later years , Kissinger -- along with William Perry , Sam Nunn , and George Shultz -- called upon governments to reduce nuclear weapons , and in three `` Wall Street Journal '' articles proposed a program of urgent steps to that end .