Iranian President Mahmoud Ahmadinejad said Monday that the threat of a U.S. or Israeli military strike against Iran was no longer an issue because "they don't have the courage" to attack Iran.

"The age of military attacks is over, now we've reached the time for dialogue and understanding. Weapons and threats are a thing of the past," the Iranian president said at a joint press conference with Brazilian President Luiz Inacio Lula da Silva, closing his one-day visit...