Britain's Got Talent runner up Susan Boyle was admitted to The Priory clinic last night suffering with exhaustion. Police were summoned to her hotel and the singer was assessed under the Mental Health Act after she had an 'emotional breakdown' following her shock defeat in the show's final. But, despite her distress at missing out to dance troupe Diversity, coming second was the best thing that could have happened to her, judge Piers Morgan has declared. Morgan, one of Miss Boyle's biggest supporters, said a victory would have 'just carried on the mayhem' for the unworldly Scottish spinster. But it...