Israel did not entirely ban his entry; he might have had a chance to enter on his second, more planned/announced visit at Alenby bridge, but he chose not to take it. I'm glad he feels like persona non-grata in Israel. There's no need to put a red carpet for him and/or to make it easier for the elderly Chomsky to enter the country, let alone preach at a Palestinian Univ. known for its anti-Israeli stance. Let him lecture via videoconferencing or even skype. He is nothing but not welcome in Israel.
UN chief condemns Palestinian toddler killing, urges calm (Reuters)
from the article: Declaring war on the intellect - Israel and Noam Chomsky