It works.

Found over at Cicada:

It’s been three months since the last serious terrorist attack in Israel. The fence has helped, but a source close to Hamas points to something else.

“There is no money to finance operations. Many of the leaders are gone and it is difficult to replace them. Hamas needs at least two years to rebuild. Only one senior figure, Ibrahim Hamad, the Hamas commander in the Ramallah area, is still at large, having survived numerous attempts to capture or kill him.”