Prince Charles, Prince of Wales, and his wife Camilla, Duchess of Cornwall, visit the Lincoln Memorial in Washington, March 18
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Prince Charles due to meet President Obama

Prince Charles is in Washington DC, where he has toured monuments and made an impassioned plea to clean up the world's oceans.

The heir to the British throne is due to meet President Obama on Thursday.

Nicholas Witchell reports.

  • 19 Mar 2015
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