US/Israel duo wants to minimize Iranian influence that reaches Israel through Syria and Lebanon. Syria does not have any resources like Iraq did. This is more of a political agenda behind the desire to oust Assad. That being said, Assad is a tyrant and should be ousted but not for Israeli interests.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: Assad seeking political asylum in Latin America if forced to flee Syria