Writers : India , Pakistan and North Korea missile tests bring up fears of nuclear war . Study ##ing war using half of 1 % of global nuke arsenals would set off world famine . U.S. and Russia have huge nuclear arsenals , they say , a lethal holdover from Cold War . The opinions expressed in this commentary are solely those of the writers . It 's urgent for talks about reducing arsenals , they write , with a focus on weapons the future .
Writers : India , Pakistan and North Korea missile tests bring up fears of nuclear war . Study ##ing war using half of 1 % of global nuke arsenals would set off world famine . U.S. and Russia have huge nuclear arsenals , they say , a lethal holdover from Cold War . It 's urgent for talks about reducing arsenals , they write , with a focus on weapons the future .