Obama asks both sides for compromise, sacrifice and concessions. These are concepts that are utterly alien to the Palestinian leadership, who prefer
slogans and ultimatums. No wonder they don't have faith in him.
The other problem is there are two definitions of "peace" at play.
For the Israelis, peace means an end to the incitement, hatred, rockets, riots, theft and destruction of their property.
For the Palestinian "leadership", peace means an end to Israel's existence. The more Palestinians suffer in the meantime, the better for their
cause.
I don't think Obama realised what he was getting himself into.

