R.E.M frontman Michael Stipe has threatened to quit America if Senator John McCain is elected President.The singer - who has recorded a song for McCain's Democratic rival Barack Obama - will move to the U.K if America picks the Republican candidate at the upcoming November elections.Stipe says, "He served his country and he did a good job as a serviceman, I will honour him for that, but he is not presidential material." He adds, "I'd have to move to England".

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