This is a sick joke since Erekat himself has been one of the biggest collaborators with Israel. See this:
Chief Palestinian negotiator Saeb Erekat is quoted as saying, "We are offering you the biggest Yerushalayim in Jewish history," using the Hebrew word for Jerusalem. But Israel apparently rejected the offer.
- See more at: http://www.middleeasteye.net/news/aide-top-palestinian-negotiator-arrested-spying-israel-1416667391#sthash.fBitHpNP.dpuf