Burning bridges with Obama?

In the Jewish Week, Gary Rosenblatt writes about the aborted attempt by the ADL's Abe Foxman and the AJC's David Harris to sign a 'unity pledge' on Israel, which included a commitment not to criticize the incumbent's policies (something Rosenberg glosses over). What Harris and Foxman didn’t say, but what is surely on the mind of mainstream pro-Israel groups, is that if Obama is re-elected next