Obama administration officials said they don't want to get involved in verbal sparring with North Korea but they did call its latest threats provocative and say Pyongyang stands only to further isolate itself from the world community if it follows through with them.

VOA: standard.2009.04.14

"We realized pretty early on that it wasn't going to just be a marketing function, that there also needed to be a legal function involved with it.

VOA: special.2011.07.22

"I especially like it because it involves the silent majority that haven't been involved in a long time."

VOA: standard.2010.03.28

Tehran denies there was any secrecy involved, and that the plant hadn't reached the point where the government needed to disclose its existence.

VOA: standard.2009.09.28