Gen. Joseph Dunford

US Joint Chiefs head

'Hezbollah presence in southern Syria a big threat to Israel'

Gen. Joseph Dunford warns Hezbollah presence in Syria dangerous because it 'would give Israel two fronts to deal with' if Hezbollah attacks.

Watch: US Army Chief Inspects IDF Guard of Honor

Chairman of the Joint Chiefs of Staff Gen. Joseph Dunford in Israel for his first official overseas trip to discuss Iran, Syria and Russia.