After Abbas became PA president, the Israeli leadership did not even talk to him for a very long time. In fact, it was only recently, when the Americans and Israelis sought to use him as a tool against Hamas that they talked to him at all. After seeing his faction defeated by Hamas in spite of the Israeli and America support he received, now Abbas spits and hisses like an angry cat. Abbas (or Haniyeh for that matter) are not capable of providing the leadership needed by the Palestinians. They are both placeholders, waiting for a better person to fill their shoes.
Palestinian youths throw stones at security forces in Shoafat, E. Jerusalem; none injured (Haaretz)
from the article: PA Chairman Abbas issues decree outlawing Hamas armed militias