Before talks over Iran's nuclear program get underway in Istanbul later this week, the U.S.S. Enterprise arrived in the Persian Gulf as part of a message to Iran that U.S. military resources are ready in the event President Obama orders military action against the Islamic Republic's nuclear program.
For now, tough economic sanctions directed at Iran and the threat of more are the stick the international community is using to bring greater transparency to Iran's nuclear ambitions.
Is it enough to keep Israel from striking Iran's nuclear complex? Barbara Starr reports.