What are the rules of war?
It's a timely question in the wake of attacks on civilians, aid workers and hospitals in conflict zones around the world. Just this week, three hospitals in southern Syria were bombed by pro-government forces, according to The Washington Post.
After such incidents, there are many references to the "rules of war."
[For more on this story by JOANNE LU, go to https://www.npr.org/sections/g...hat-exactly-are-they]