Parts of Trump's royal greeting would be considered "highly inappropriate" based on royal protocol, one expert said.

US President Donald Trump and First Lady Melania Trump, welcomed King Charles and Queen Camilla to the White House on Monday (27 April). The two couples greeted each other outside…

The violation of the unwritten rule that one should not be the first to initiate physical contact with a member of the royal family happened as the royal couple arrived at the…