article_snippet: US President Barack Obama will sit down for informal talks with Charles and Camilla in the Oval office tomorrow, and will be joined by US President Barack Obama vice president Joe Biden.
article_snippet: Charles last met his vice president Joe Biden in May 2011, a few days after the royal wedding of the Duke and Duchess of Cambridge - when US President Barack Obama confessed the occasion had left America mesmerised.
article_snippet: The couple will have talks with US President Barack Obama and Charles (right)
article_snippet: Vice President Joe Biden at the Oval office.
highlights_snippet: President Obama will sit down for informal talks in Oval office tomorrow .