Answering a question from the mother of a U.S. soldier concerned that the United States might go to war against Iran, Clinton defended her vote for a Senate resolution declaring Iran's Revolutionary Guard a terrorist group.

CNN: Democrats spar in heated debate

Mohsen Sazegara helped found the Iranian Revolutionary Guard and says the group was originally intended to be a popular force like the Swiss army, the National Guard in the United States or Vietnam's Viet Cong.

NPR: The Evolution of Iran's Revolutionary Guard

NPR's John McChesney has the story of what happened to one group of National Guard families.

NPR: Support Groups for Soldiers' Families Struggle