As Israel’s war with Hamas enters its third week, increased violence in the West Bank and on the border with Lebanon is fueling concerns of a larger regional war. WSJ’s Sune Rasmussen reports on Iran’s support of three militant groups: Hamas, Hezbollah and Palestinian Islamic Jihad. Further Listening: - What We Know About the Gaza Hospital Blast  - The Hostage Crisis in Gaza   Further Reading: - Northern Israel Prepares for Possible War With Hezbollah  - Violence Surges in the West Bank Following Hamas Attack on Israelis  Learn more about your ad choices. Visit megaphone.fm/adchoices