The Duchess of Cambridge has signalled that she will be taking a step back from public life, despite her hugely successful first foreign tour. She has told royal aides that following the 11-day trip to Canada and the U.S. – her inaugural trip as a member of the Royal Family – she intends to spend the rest of the summer ‘just enjoying being a newly-wed’. Kate and William arrived at Heathrow yesterday after flying from Los Angeles on a British Airways scheduled flight. They had received a...