Mike Kirsch with WFOR (CBS 4 Miami) did a powerful story on trains being terrorist targets - it's a brilliantly constructed story, with helicopter tour, briefing, visit to wide-open rail yard, finding apts overlooking rail line into chlorine-using water treatment plant, simulation of chlorine cloud enveloping
Click on:
http://cbs4.com/bios/local_bio_206112730.html/
Then scroll down to:
Trains Turned Terror Targets Part II
Trains Turned Terror Targets