Ahmedinejad should not be so sure. Americans are loosing ground in ME. They know this and they do not like it. If they lose the status of decisive power they will get not only 1 Iran but 20. Nobody will not afraid them anymore. USA can take lethal decision and this is to risk what ever it costs and destroy today's Iran once for ever. Then Gods of universe help us.
Merkel says refugee crisis as challenging as reunifying Germany (Reuters)
from the article: ANALYSIS: Iran likely to push the boundaries of nuclear issue