[JustPiper]

A jihadi with a death wish and a book of matches could it with ease.

This is my fear, so easy

[MamaDearest]

A jihadi with a death wish and a book of matches could it with ease.

Not only in Chicago, but in countless other cities with the same refinery criteria.

[Myrddin]

Visit any moderately large city. You will find tank farms full of gasoline, kerosene and diesel. Most have a pretty big moat to catch a tank failure. That is a blessing and curse. The spill is contained, but it is also concentrated in a manner that a fire would increase the hazard to surrounding tanks.