Barak asked for exercise cancellation?

According to 'Pentagon sources' cited by Jeffrey Goldberg, it was Israel's Defense Minister, Ehud Barak, and not the United States, that asked for the postponement of Operation Austere Challenge 12, the joint anti-missile exercise that was to have taken place in Israel in April (Hat Tip: Memeorandum). Despite claims made in the Israeli press that the Obama Administration, worried about provoking