TEHRAN--The day after Saddam Hussein's statue was toppled in Baghdad, I was curious to gauge reaction on the streets of Tehran. I started with taxi drivers, my barometers of public opinion. Often, perhaps because of the monotonous and frustrating nature of their job (traffic in Tehran is horrendous), they speak candidly. The first cabbie had loud, banned music blaring from the radio. When I asked him what he thought, he said without hesitation, "'These guys' (usually used to mean the mullahs in power) are next -- they are scared." Here, your dress and demeanor betrays your politics, or at least...