CBS Video: Countdown to war with Iran?

It's good that the mainstream media is posing the question about the potential for a major war in the Middle East because of the tension over Iran. The danger of a World War is real. The American people have to ask questions about the U.S. governments' obsession with Iran. We also need to ask how is that obsession has lasted for decades and not resolved. Is Iran worth this kind of preoccupation? Or is it more about Israel than U.S. national security: