Prince William showed “inner tension” as the royal appeared to “mirror Prince Harry”, a body language expert has exclusively told GB News. The Prince of Wales’s new two-part documentary, “Prince William: We Can End Homelessness”, began airing on Wednesday evening. At the beginning of the first episode, Prince William, 42, appeared to offer an olive branch to his younger brother, the Duke of Sussex, 40. For the first time in years, William uttered Prince Harry’s name – despite the brothers not currently being on speaking terms. The Prince of Wales said: “My mother took me to the Passage, she to…