Krauthammer’s latest must be read in its entirety. Just to get you started:
Every Arab-Israeli negotiation contains a fundamental asymmetry: Israel gives up land, which is tangible; the Arabs make promises, which are ephemeral. The long-standing American solution has been to nonetheless urge Israel to take risks for peace while America balances things by giving assurances of U.S. support for Israel’s security and diplomatic needs.
Unfortunately, President Obama is now repudiating all those past assurances.