There is, of course, wariness over the impact of sequestration and substantial disagreement over the future course of the US economy, but I read an awful lot of economic commentary and the general discourse has shifted out of crisis-mode to business as usual.

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Diskin's commentary followed remarks by Israel's top general, who said last week that Iran is led by "very rational people" and doesn't appear poised to build a nuclear bomb.

CNN: Former Israeli PM calls for U.S. to lead any Iran strike

Diskin's blunt commentary follows controversial remarks by Israel's top general, who said Iran is led by "very rational people" and doesn't appear poised to build a nuclear bomb that would threaten his nation.

CNN: Former Israeli security chief slams handling of Iran