N. Korea says it's a 'pipe dream' that it will give up nukes

SEOUL, South Korea — North Korea said it is a "pipe dream" for the United States to think it will give up its nuclear weapons, and called the latest U.N. sanctions to target the country "an act of war" that violates its sovereignty.The U.N. Security Council unanimously approved tough new sanctions against North Korea on Friday in response to its latest launch of a ballistic missile that Pyongyang says can reach anywhere on the U.S. mainland. The resolution was drafted by the United States