The nation of Israel signed the agreements and changed it's policies to honor OSLO. It never required Likud, a political party to do so. You see there are different political parties in Israel Likud, Labor, Meretz and so on with different platforms. The PLO makes up nearly all of the parties that constitute the Palestinian Authority excluding Hamas which also opposes the existence of Israel. OSLO was never validated because the PLO never changed their charter. Now do you understand?
Mexico sentences five men to 697 years for killings of 11 women (AP)