Mr Kyl insists, as he did then, that a CTBT is unverifiable-and, by banning future testing, puts America's nuclear safety and security at risk.

同上一次一样，凯尔坚持认为《全面禁止核试验条约》无法得到验证，而且禁止今后的核试验会致美国的核安全和国土安全于不利的地位。