because it is biased. US are to soft with Israel and represents only Israels interests. They have armed Israel and both believe to determine the rules by strong military and US does not suffetiently condemn the appartheid policy of Israel. US alone are not able to mediate and Israel does not want peace it wants only to keep max land.
At least 12 killed in southeast France flash floods (Reuters)
from the article: Clinton: Palestinian state achieved through negotiations is inevitable