Syria shelled Irael for years from these lands. By going to war against Israel in '67, Syria lost these lands, forever as far as I'm concerned. Israel will not tolerate one act of Syrian aggression. If Israel desired, it can launch a missle into Assad's bedroom window and end this farce for good.
Clashes between IDF and protesters in Bethlehem and East Jerusalem (Reuters)
from the article: Israel warns Assad over stray Syrian fire on Golan Heights