Tourniquet Use Urged in Public-Safety Push - WSJ
(To read a WSJ article without having to subscribe, Google the article title.)
Don't read the comments...
ADDITIONAL: How First Aid and Emergency Response Can Combat Terrorism - The Atlantic
That's the URL, but the title on the age is "Fighting Terrorism With Tourniquets", although there seems to be an alternate of "Fighting Terrorism With First Aid".
LATE UPDATE: That Atlantic aticle includes a link to a two-year-old WSJ item that is of related interest: Tourniquets Gain New Respect - WSJ
Also, if you do a Google search for the WSJ article by title, several other sources of the same article show up -- including a link to this blog post. I made the front page of Google!