Restrain and Hedge: A New U.S. Nuclear Strategy for a Two-Peer World

What if fielding more nuclear weapons makes the United States less secure, not more? That question is now at the center of a growing debate as the United States confronts a nuclear landscape shaped by two major nuclear rivals.China is rapidly expanding and modernizing its nuclear arsenal, while the New Strategic Arms Reduction Treaty (START), the last remaining nuclear arms control deal between the United States and Russia, has expired. In what appears as the beginning of a new, more dangerous n...