WASHINGTON • Arla Wayne Harrell, the quiet World War II veteran whose appeals to Veterans Affairs became a test of the government’s treatment of victims of mustard gas experiments, has died.

What is tear gas? Learn more about the evolution of tear gas and why some scientists recommend a revaluation of its use.

Mussolini’s Conquest of Ethiopia The war against Abyssinia. This is a book designed not for the academic but for the general reader. And it succeeds in that context, but also is an excellent history ...