It is up to Israel and the Palestinians to be serious. Thus far, Israel in deed and word proved without shaddow of a doubt that it is not. Why should Obama break his neck to extricate Israel from its morass? If Eldar is correct, then The U.S will assign the blame to Israel putting further pressure on it. No drastic moves, only very slow continuous squeeze.
Ya'alon okays administrative detention of Jewish extremist suspected in church arson (Haaretz)
from the article: Secret Israeli report: U.S. cozying up to Palestinians