In one corner, we have the chairman of the Joint Chiefs of Staff, the heads of the US and Israeli intelligence communities, and the Pentagon. In the other corner, we have TV pundits and politicians.
Syrian leader Bashar al-Assad redoubled his assault on the city of Homs after a symbolic UN General Assembly vote calling on him to step down.
Even as Tehran signals an interest in nuclear talks, many experts have already envisioned what the world would look like if the country got nuclear weapons. It wouldn't be as dire as many fear, but it would unleash new uncertainties - and perhaps a regional arms race.