SINCE the end of the Cold War we have stopped worrying about nuclear war
between the major powers, and have turned our concern to proliferation
among rogue states and terrorists. But the big states still have big
nuclear arsenals, and they are not standing still. Both the US and China
are steadily developing their strategic nuclear forces. As they do so,
they risk slipping into a destabilising competition for nuclear
advantage against one another, which could affect their wider (...)