If Abbas is considered too weak by Israel, it is because Israel did everything to make him weak. In the past years, Israel destroyed with great precision the infrastructure of the PA, thus strengthening the Hamas and other extremists within the Palestinian society. One wonders, if that was a deliberate strategy just to avoid negotiations with the Palestinians.
Ex-FM Lieberman: Firebomb attack in Jerusalem a reminder that norm is Arab terror against Jews (Haar
from the article: Olmert: PA's Abbas is 'powerless' to speak for Palestinians