Mr. Unsavory... I'm afraid that Hamas has revealed the true colors of the so called "Palestinians". It is and always has been Hamas who's been, as you put it, "hindering negotiations.". Me thinks, however, that you don't care to be confused with the facts.
Israeli moderately wounded in stabbing attack near West Bank settlement (Haaretz)
from the article: Hamas calls on Palestinian Authority to boycott peace talks with Israel