Utilities have been loath to publicize the Russian bomb supply line for fear of spooking consumers: the fuel from missiles that may have once been aimed at your home may now be lighting it.

Yes, it looks as if they are building a bomb, goes the line in some places that do business in Iran, but if we stop selling things, the Chinese will just take our place.

Despite the most recent incidents, including a bomb scare Saturday near the finish line of a men's cycling race, most visitors and residents say they feel safe.