If they know the story, and reflect on it, they will not allow it to happen again.

BBC: A glimpse of El Salvador's guerrilla past

He said no and he ensured that that will not happen, this debt ceiling will be extended, and using it to play chicken with the full faith and credit of the United States will not happen again through the end of 2012.

WHITEHOUSE: Press Briefing

Mr Penn said that it was now a very different organisation and "the issues raised will not happen again, certainly not when I am involved".

BBC: Magor Marsh. Pic: Rob Waller