Heads of army, Mossad say Shiite extremism presents biggest threats to Israel’s security, speaking at Netanya conference By Judah Ari Gross IDF Chief of Staff Gadi Eisenkot, July 13, 2016 (IDF Spokesperson’s Unit) The head of the Israel Defense Forces said on Tuesday that Hezbollah’s military commander in Syria, Mustafa Badreddine, was killed by his own…