The reality is that either Hamas or Fateh el Islam have one and the same master and that is Syria. The unfortunate part is that Israel keeps believing it can have a peace with the current Syrian regime closing an eye on all its problems that have been the result of Syrian and Iranian support. If Israel wants to really solve the problem it goes to the source and eradicates it. The source would be the Syrian regime. Only then would Hamas, Hezbollah, Jihad and call it any other name you wish be put out of business.
Bomb in Lebanon targets bus heading to Syria, no casualties (Reuters)
from the article: In the name of Islam?