What does the conflict mean for the rest of the world, who is backing who, and how close are we to World War Three?

Shapiro served as Deputy Assistant Secretary of Defense for the Middle East until January—charged with, among other things, considering scenarios in which tensions between Israel and Iran escalated into all-out war and preparing U.

Israel has issued a grave warning to Tehran, saying it will "burn" after retaliatory strikes killed three civilians near Tel Aviv