Rebel advances in Syria leave Israel contemplating life without Assad

IDF deputy chief of staff says Syrian army ‘has ceased to exist’ and that Hezbollah’s casualties are significantly higher than previously believed.

It would be more accurate to say that ISIS has joined the fight against the anti-Assad forces around Aleppo.
"ISIS isn’t part of the rebel coalition operating in Idlib, but has
 joined the fight against Assad’s forces around the major cities
 of Homs and Aleppo. The Arab media is full of speculation that
 the rebels are also planning a new offensive in southern Syria,
 near the city of Daraa.

In response to the recent defeats it has suffered, the regime has stepped up its airstrikes – including a massive use of barrel bombs, which cause heavy civilian casualties.

Speaking at a conference in Tel Aviv, Golan said that from Israel’s perspective, the strategic situation on the northern border “may be better than ever before,” despite the many potential threats, because thousands of Hezbollah fighters are busy in Syria and the Syrian Army has effectively ceased to exist.

Nevertheless, he added, this convenient situation is unlikely to last. Meanwhile, Hezbollah “has acquired operational capabilities that no terrorist organization ever had in the past.” And while Syrian rebels aren’t currently targeting Israel from the Golan Heights, that, too, could change, he warned."