Is Israel on the brink of war with Iran?

Israel and the Lebanese militant group Hezbollah launched major attacks against each other on the weekend, raising tensions in the Middle East.  Given Hezbollah’s ties to Iran, the ongoing war in Gaza and the recent assassination of a Hamas leader in Tehran, the world remains braced for a much larger conflict.  The ABC’s global affairs editor John Lyons has toured the region for the Four Corners program, getting rare access inside Iran.  Today, he explains Iran’s ‘Axis of Resistance’ and explores what could happen next.  Featured:  John Lyons, ABC Global Affairs Editor