Is he admitting past negotiations were a sham?

Now, he says he is ready? What about the last two years of negotiations with the Europeans?

Iran's president said Thursday he was ready to negotiate with the United States and its allies over his country's nuclear program but he also suggested that any threats against Tehran would make the dialogue more difficult.

President Mahmoud Ahmadinejad also intensified his verbal attacks on Israel, calling it a "a tyrannical regime that one day will be destroyed."

The Europeans have been talking with Iran for years now....with absolutely no results. Enough.