World leaders, dignitaries pay tribute to America on historic 250th birthday

America's role in world affairs and its special relationships with allies and partners were on full display Saturday as world leaders offered congratulations and praise while the U.S. celebrated its 250th birthday. "This year marks a truly historic milestone and a moment of great celebration for Americans everywhere," The United Kingdom's King Charles III wrote in a statement . "It offers an opportunity to pause and reflect on the remarkable journey of the United States over the past two and a h