He did not use the word perish - he was speaking in Hebrew - he used the word meaning perish or "die". You are using the word "perish" in order to confuse ignorant Americans who think perish is some biblical affliction. He said that he hoped Abbas and the Palestinians would die. Why do you insist on using clever tricks to obfuscate the truth? That is why your enemies are multiplying.
Israeli teen lightly wounded from stone throwing in West Bank settlement of Kiryat Arba (Haaretz)
from the article: U.S.: Rabbi's 'offensive' remarks harm peace efforts