This took place in Argentina, while emotions don't run as close to the surface here in the USA as they do in Latin countries the level of vitriol is comparable. IMHO the battle lines are drawn and the increasing polarization on this topic will unquestionably lead to similar incidents here in the near future.
Someone explain why the prolifers are always cast in the role of Nazis? Nazis were the violent ones. Any violence done on behalf of the prolife movement is extremely rare and immediately disavowed by the majority.