Logios makes sense. America's failure to make a "client state" budge away from illegal behaviour is scandalous. Since their presumed influence with Israel was the only reason for using them as a mediator, the failure of that must surely deem them unworthy to continue this role. Better to use countries with less influence but more likely (hopefully) to push, with sanctions if necessary.
Obama says world must reach climate deal in Paris 'while we still can' (Reuters)
from the article: Abbas urges Quartet to draft new peace plan