Leaving all the moral questions aside, Israel could have "wasted", wiped out, or expelled all the Palestinians long ago, but two obstacles stand in our way: 1. The US, the EU and the rest of the civilized countries would never let us do it. 2. No Arab, Moslem, and certainly no European country would be willing to accept all those Palestinians not "wasted"' see so-called "Palestinian refugee" problem.
Policeman killed by blast in Bahrain village, interior ministry (Reuters)
from the article: Preparing for Israel's previous war, not its next peace