from daily mail: Iran must be prevented from developing a nuclear weapon in order to avoid World War Three, US President George Bush said today...
In a press conference at the White House, Mr Bush said: "I believe that if Iran had a nuclear weapon it would be a dangerous threat to world peace.
"We have a leader in Iran who has announced that he wants to destroy Israel.
"I've told people that if you're interested in avoiding World War Three, it seems like you ought to be interested in preventing them having knowledge necessary to make a nuclear weapon.
"I take the threat of Iran with a nuclear weapon very seriously and will continue to work with all nations about the seriousness of this threat."
bush warns of world war iii with iran
from thinkprogess: Asked about Iran’s nuclear ambitions at his press conference today, President Bush warned for the first time in public of the risk of “World War III” if Iran gets nuclear weapons. “I’ve told people that if you’re interested in avoiding World War III,” said the President. “It seems like you ought to be interested in preventing them from have the knowledge necessary to make a nuclear weapon.” TPM has the video and Matthew Yglesias parses Bush’s words.