When the Israelis asked for too much or too little, the Palestinians said no, Abu Mazen reneged on his own deals. Yaser Arafat told me that we must go gradually. Joe Biden is Netanyahu's babysitter, but there is no peace in the Middle East without Americans and Arabs. The Palestinian Authority will not enter Gaza on Israeli tanks - Israeli negotiator from Oslo and professor at Haifa University Yair Hirschfeld said this and more in an exclusive interview with N1.