North Korea leader says he has 'nuclear button' but won't use unless threatened

Beijing • North Korean leader Kim Jong Un boasted in an annual New Year's Day speech Monday that he had a nuclear button on his desk and that the entire United States was within range of his weapons — but he also vowed not to attack unless threatened.Kim promised to focus this year on producing nuclear warheads and missiles for operational deployment, adding that the United States could now "never start a war against me or our country."But he also struck a conciliatory note, opening t