Police keep watch outside a hospital in central London, Tuesday, Dec. 4, 

Police keep watch outside a hospital in central London, Tuesday, Dec. 4, 2012. Kate, The Duchess of Cambridge is being treated at the hospital for severe morning sickness. (AP Photo/Kirsty Wigglesworth)
Associated Press
Police keep watch outside a hospital in central London, Tuesday, Dec. 4, 2012. Kate, The Duchess of Cambridge is being treated at the hospital for severe morning sickness. (AP Photo/Kirsty Wigglesworth)
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