US leadership needed to prevent nuclear testing by North Korea
Four years ago, President Obama warned that “the threat of global nuclear war has gone down, but the risk of a nuclear attack has gone up.” Last week, North Korea’s nuclear weapons test explosion – its third and the world’s 2,053rd – underscored the urgent need for stronger barriers to prevent the testing, spread, and use of the world’s most dangerous weapons.
In his first term, Mr. Obama made significant progress to reduce nuclear dangers. This included cuts in excess US and Russian cold-war nuclear stockpiles and locking up vulnerable nuclear material from terrorists. But there is more to be done.
US leadership is especially critical to the implementation of the 1996 Comprehensive Nuclear Test Ban Treaty (CTBT), which bans all nuclear test explosions. The United States and 183 other nations have signed the test-ban treaty, but America must still ratify the treaty to bring it into force.
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