The pro-Israel lobby AIPAC is battling against President Obama’s Iran foreign policy initiative. Photo: AIPAC.

AIPAC is now prepared to fight the White House by pushing Democrats to vote against President Obama’s signature second-term foreign policy initiative.

That represents a break from how AIPAC usually does business. While the lobby has pressed Congress to sanction Iran since the early 1990s, it rarely opposes a sitting president on major votes. Despite initial misgivings, the Obama White House ended up supporting major sanctions against Iran in 2010, 2011 and 2012, avoiding a fight with AIPAC.

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