It's a diplomatic failure at the highest level: Bill Clinton couldn't get Led Zeppelin to reunite.

The CBS "60 Minutes Overtime" webcast reported yesterday that the former president was enlisted to ask the British rockers to get back together last year for the superstorm Sandy 12-12-12 benefit concert in Madison Square Garden.

He asked, they said no.

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David Saltzman of the Robin Hood Foundation said he and film executive Harvey Weinstein flew to Washington to ask Clinton to make the plea. Led Zeppelin's surviving members -- Robert Plant, John Paul Jones and Jimmy Page -- were in Washington just before the Sandy concert for the Kennedy Center Honors.

Led Zeppelin, perhaps best known for the hit "Stairway to Heaven," last played publicly at a one-night reunion in London in 2007.-- AP