Today on Cronkite NewsWatch, we're just days away from the GOP debate, we take you behind the scenes and show you how Arizona and the candidates are preparing for Wednesday's debate. Plus, Pinal County Sheriff Paul Babeu has stepped down as co-chair of Mitt Romney's Arizona campaign, but continues his own bid for a seat in congress. And, tensions are rising between Iran and Israel, we'll get you caught up on all the latest details in the Middle East.

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